diff --git a/bindings/pom.xml b/bindings/pom.xml
index 844c5e348c..976920e302 100644
--- a/bindings/pom.xml
+++ b/bindings/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-bindings</artifactId>
     <packaging>pom</packaging>
diff --git a/bindings/register/pom.xml b/bindings/register/pom.xml
index ef72a65d2a..0f1ed89766 100644
--- a/bindings/register/pom.xml
+++ b/bindings/register/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-bindings</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-binding-register</artifactId>
diff --git a/coding/kvp/pom.xml b/coding/kvp/pom.xml
index ce7e7e26b6..7451c9e277 100644
--- a/coding/kvp/pom.xml
+++ b/coding/kvp/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-coding</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-coding-kvp</artifactId>
diff --git a/coding/netcdf/api/pom.xml b/coding/netcdf/api/pom.xml
index bed9e29ae8..58a6770f47 100644
--- a/coding/netcdf/api/pom.xml
+++ b/coding/netcdf/api/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-netcdf</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-api-netcdf</artifactId>
diff --git a/coding/netcdf/coding/pom.xml b/coding/netcdf/coding/pom.xml
index 0ec843ed48..0c7c6630e3 100644
--- a/coding/netcdf/coding/pom.xml
+++ b/coding/netcdf/coding/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-netcdf</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-coding-netcdf</artifactId>
diff --git a/coding/netcdf/oceansites/pom.xml b/coding/netcdf/oceansites/pom.xml
index 9c304f962c..17b6d9cec1 100644
--- a/coding/netcdf/oceansites/pom.xml
+++ b/coding/netcdf/oceansites/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-netcdf</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-coding-oceansites</artifactId>
diff --git a/coding/netcdf/pom.xml b/coding/netcdf/pom.xml
index 00fc5a48c5..66543d13e5 100644
--- a/coding/netcdf/pom.xml
+++ b/coding/netcdf/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-coding</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-netcdf</artifactId>
diff --git a/coding/pom.xml b/coding/pom.xml
index f96017bef1..d6a810f212 100644
--- a/coding/pom.xml
+++ b/coding/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-coding</artifactId>
     <packaging>pom</packaging>
diff --git a/coding/profile/pom.xml b/coding/profile/pom.xml
index f7ae3991a1..4de273c23f 100644
--- a/coding/profile/pom.xml
+++ b/coding/profile/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-coding</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-profile-coding</artifactId>
diff --git a/converter/eprtr/pom.xml b/converter/eprtr/pom.xml
index 22b59208dc..b837270f88 100644
--- a/converter/eprtr/pom.xml
+++ b/converter/eprtr/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-          <version>6.0.0-SNAPSHOT</version>
+          <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-eprtr</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/abstract-identifier/pom.xml b/converter/identifier-modifier/abstract-identifier/pom.xml
index c3f0024335..f5989b90ae 100644
--- a/converter/identifier-modifier/abstract-identifier/pom.xml
+++ b/converter/identifier-modifier/abstract-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-abstract-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/ereporting-identifier/pom.xml b/converter/identifier-modifier/ereporting-identifier/pom.xml
index b5af0a8745..da36424cfc 100644
--- a/converter/identifier-modifier/ereporting-identifier/pom.xml
+++ b/converter/identifier-modifier/ereporting-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-ereporting-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/flexible-identifier/pom.xml b/converter/identifier-modifier/flexible-identifier/pom.xml
index 7e3a495fb1..902cb16e85 100644
--- a/converter/identifier-modifier/flexible-identifier/pom.xml
+++ b/converter/identifier-modifier/flexible-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-flexible-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/identifier-modifier/pom.xml b/converter/identifier-modifier/pom.xml
index e98abdadbd..70434d940d 100644
--- a/converter/identifier-modifier/pom.xml
+++ b/converter/identifier-modifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-         <version>6.0.0-SNAPSHOT</version>
+         <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-identifier-modifier</artifactId>
     <packaging>pom</packaging>
diff --git a/converter/identifier-modifier/prefixed-identifier/pom.xml b/converter/identifier-modifier/prefixed-identifier/pom.xml
index df8854fae3..ca1a02063d 100644
--- a/converter/identifier-modifier/prefixed-identifier/pom.xml
+++ b/converter/identifier-modifier/prefixed-identifier/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-identifier-modifier</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-prefixed-identifier</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/observation/pom.xml b/converter/observation/pom.xml
index 416c19baa2..b27c572327 100644
--- a/converter/observation/pom.xml
+++ b/converter/observation/pom.xml
@@ -4,7 +4,7 @@
     <parent>
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         <artifactId>sos-converter</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-observation-converter</artifactId>
     <name>52°North SOS - Observation Converter</name>
diff --git a/converter/pom.xml b/converter/pom.xml
index e55ddad9f0..58b20b3f9e 100644
--- a/converter/pom.xml
+++ b/converter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-converter</artifactId>
     <packaging>pom</packaging>
diff --git a/converter/procedure-description/pom.xml b/converter/procedure-description/pom.xml
index 396c47b86e..7983d90439 100644
--- a/converter/procedure-description/pom.xml
+++ b/converter/procedure-description/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-procedure-description-converter</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/split-and-merge/pom.xml b/converter/split-and-merge/pom.xml
index 3e52f7b28d..2ca2f01a95 100644
--- a/converter/split-and-merge/pom.xml
+++ b/converter/split-and-merge/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-          <version>6.0.0-SNAPSHOT</version>
+          <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-split-and-merge</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/transformation/coordinate/pom.xml b/converter/transformation/coordinate/pom.xml
index 5ab5ea24c3..7389d98507 100644
--- a/converter/transformation/coordinate/pom.xml
+++ b/converter/transformation/coordinate/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-transformation</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-request-response-coordinate-transformer</artifactId>
     <packaging>jar</packaging>
diff --git a/converter/transformation/pom.xml b/converter/transformation/pom.xml
index 1e42611ad5..8e7d14859b 100644
--- a/converter/transformation/pom.xml
+++ b/converter/transformation/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-converter</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-transformation</artifactId>
     <packaging>pom</packaging>
diff --git a/core/api/pom.xml b/core/api/pom.xml
index 4d9e0dbcfa..71641b3871 100644
--- a/core/api/pom.xml
+++ b/core/api/pom.xml
@@ -3,7 +3,7 @@
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         <artifactId>sos-core</artifactId>
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+        <version>6.0.0-PR.20</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-api</artifactId>
diff --git a/core/cache/pom.xml b/core/cache/pom.xml
index dbc5aac4c7..38b49f1635 100644
--- a/core/cache/pom.xml
+++ b/core/cache/pom.xml
@@ -4,7 +4,7 @@
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+        <version>6.0.0-PR.20</version>
     </parent>
      <artifactId>sos-cache</artifactId>
     <name>52°North SOS - Cache</name>
diff --git a/core/pom.xml b/core/pom.xml
index daae861623..5dda1d002a 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -4,7 +4,7 @@
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+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-core</artifactId>
     <packaging>pom</packaging>
diff --git a/core/test/pom.xml b/core/test/pom.xml
index 25d1e1bd64..fcdc6a363e 100644
--- a/core/test/pom.xml
+++ b/core/test/pom.xml
@@ -4,7 +4,7 @@
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+        <version>6.0.0-PR.20</version>
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     <artifactId>sos-test</artifactId>
     <name>52°North SOS - Test Module</name>
diff --git a/extensions/inspire/code/pom.xml b/extensions/inspire/code/pom.xml
index 5ff4f56edb..00b5ddadeb 100644
--- a/extensions/inspire/code/pom.xml
+++ b/extensions/inspire/code/pom.xml
@@ -3,7 +3,7 @@
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         <artifactId>sos-inspire</artifactId>
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+        <version>6.0.0-PR.20</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-inspire-code</artifactId>
diff --git a/extensions/inspire/pom.xml b/extensions/inspire/pom.xml
index 244e3e6877..79e3f4973b 100644
--- a/extensions/inspire/pom.xml
+++ b/extensions/inspire/pom.xml
@@ -3,7 +3,7 @@
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+        <version>6.0.0-PR.20</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-inspire</artifactId>
diff --git a/extensions/pom.xml b/extensions/pom.xml
index a15715a41d..ed610c3b90 100644
--- a/extensions/pom.xml
+++ b/extensions/pom.xml
@@ -4,7 +4,7 @@
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+        <version>6.0.0-PR.20</version>
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     <artifactId>sos-extensions</artifactId>
     <packaging>pom</packaging>
diff --git a/handler/pom.xml b/handler/pom.xml
index a90366c710..787ad78253 100644
--- a/handler/pom.xml
+++ b/handler/pom.xml
@@ -4,7 +4,7 @@
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+        <version>6.0.0-PR.20</version>
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      <artifactId>sos-handler</artifactId>
     <packaging>jar</packaging>
diff --git a/hibernate/c3p0/pom.xml b/hibernate/c3p0/pom.xml
index c26b1dd073..12e2d56511 100644
--- a/hibernate/c3p0/pom.xml
+++ b/hibernate/c3p0/pom.xml
@@ -3,7 +3,7 @@
     <parent>
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         <artifactId>sos-hibernate</artifactId>
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+        <version>6.0.0-PR.20</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-geodb-c3p0</artifactId>
diff --git a/hibernate/common/pom.xml b/hibernate/common/pom.xml
index 6b6bbcdb9a..2250241820 100644
--- a/hibernate/common/pom.xml
+++ b/hibernate/common/pom.xml
@@ -3,7 +3,7 @@
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+        <version>6.0.0-PR.20</version>
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-common</artifactId>
diff --git a/hibernate/datasource/common/pom.xml b/hibernate/datasource/common/pom.xml
index cb198d3a2a..1b9092d841 100644
--- a/hibernate/datasource/common/pom.xml
+++ b/hibernate/datasource/common/pom.xml
@@ -3,7 +3,7 @@
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-common</artifactId>
diff --git a/hibernate/datasource/h2/pom.xml b/hibernate/datasource/h2/pom.xml
index 1e5e5b083b..0f3a95228a 100644
--- a/hibernate/datasource/h2/pom.xml
+++ b/hibernate/datasource/h2/pom.xml
@@ -3,7 +3,7 @@
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     <modelVersion>4.0.0</modelVersion>
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diff --git a/hibernate/datasource/mysql/pom.xml b/hibernate/datasource/mysql/pom.xml
index 3fba3b3437..2dc7c3ef05 100644
--- a/hibernate/datasource/mysql/pom.xml
+++ b/hibernate/datasource/mysql/pom.xml
@@ -3,7 +3,7 @@
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     <modelVersion>4.0.0</modelVersion>
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diff --git a/hibernate/datasource/oracle/pom.xml b/hibernate/datasource/oracle/pom.xml
index f5cbf8599a..f947577217 100644
--- a/hibernate/datasource/oracle/pom.xml
+++ b/hibernate/datasource/oracle/pom.xml
@@ -3,7 +3,7 @@
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     <modelVersion>4.0.0</modelVersion>
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diff --git a/hibernate/datasource/pom.xml b/hibernate/datasource/pom.xml
index 0c6977586f..6f3f005a38 100644
--- a/hibernate/datasource/pom.xml
+++ b/hibernate/datasource/pom.xml
@@ -3,7 +3,7 @@
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diff --git a/hibernate/datasource/postgres/pom.xml b/hibernate/datasource/postgres/pom.xml
index 4738b065a8..b1a6525989 100644
--- a/hibernate/datasource/postgres/pom.xml
+++ b/hibernate/datasource/postgres/pom.xml
@@ -3,7 +3,7 @@
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-postgres</artifactId>
diff --git a/hibernate/datasource/sqlserver/pom.xml b/hibernate/datasource/sqlserver/pom.xml
index d71f482b9a..e1b33cdcc1 100644
--- a/hibernate/datasource/sqlserver/pom.xml
+++ b/hibernate/datasource/sqlserver/pom.xml
@@ -3,7 +3,7 @@
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     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-datasource-sqlserver</artifactId>
diff --git a/hibernate/feature/pom.xml b/hibernate/feature/pom.xml
index 6631ea4d88..4d3a405b85 100644
--- a/hibernate/feature/pom.xml
+++ b/hibernate/feature/pom.xml
@@ -3,7 +3,7 @@
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     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-feature</artifactId>
diff --git a/hibernate/h2/pom.xml b/hibernate/h2/pom.xml
index 71a62e9c51..05919cd182 100644
--- a/hibernate/h2/pom.xml
+++ b/hibernate/h2/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-hibernate-h2</artifactId>
     <name>52°North SOS - Hibernate H2</name>
diff --git a/hibernate/handler/pom.xml b/hibernate/handler/pom.xml
index d545075306..be9d17be2b 100644
--- a/hibernate/handler/pom.xml
+++ b/hibernate/handler/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-handler</artifactId>
diff --git a/hibernate/pom.xml b/hibernate/pom.xml
index 3d6a6e4f89..2014b4e223 100644
--- a/hibernate/pom.xml
+++ b/hibernate/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-hibernate</artifactId>
     <packaging>pom</packaging>
diff --git a/hibernate/session-factory/pom.xml b/hibernate/session-factory/pom.xml
index 35c14e46c9..41f96a829b 100644
--- a/hibernate/session-factory/pom.xml
+++ b/hibernate/session-factory/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-hibernate-session-factory</artifactId>
diff --git a/hibernate/utils/pom.xml b/hibernate/utils/pom.xml
index 4bcf19602f..0c88a3f1ba 100644
--- a/hibernate/utils/pom.xml
+++ b/hibernate/utils/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-hibernate</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-hibernate-utils</artifactId>
     <name>52°North SOS - Hibernate Utils</name>
diff --git a/operations/aqd-v10/pom.xml b/operations/aqd-v10/pom.xml
index 6b0dabb74a..8b0a472877 100644
--- a/operations/aqd-v10/pom.xml
+++ b/operations/aqd-v10/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-aqd-v10</artifactId>
diff --git a/operations/core-v100/pom.xml b/operations/core-v100/pom.xml
index 5edb6ce9f5..67bf0db793 100644
--- a/operations/core-v100/pom.xml
+++ b/operations/core-v100/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
      <artifactId>sos-core-v100</artifactId>
diff --git a/operations/core-v20/pom.xml b/operations/core-v20/pom.xml
index 9b247c5dd2..3874451af2 100644
--- a/operations/core-v20/pom.xml
+++ b/operations/core-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
      <artifactId>sos-core-v20</artifactId>
diff --git a/operations/enhanced-v20/pom.xml b/operations/enhanced-v20/pom.xml
index d2a0201096..bf412b7022 100644
--- a/operations/enhanced-v20/pom.xml
+++ b/operations/enhanced-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-enhanced-v20</artifactId>
diff --git a/operations/extensions-v20/pom.xml b/operations/extensions-v20/pom.xml
index d9f446c8ce..8a1c6c255b 100644
--- a/operations/extensions-v20/pom.xml
+++ b/operations/extensions-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-extensions-v20</artifactId>
diff --git a/operations/pom.xml b/operations/pom.xml
index ea8021435f..fa8f31aa98 100644
--- a/operations/pom.xml
+++ b/operations/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-operations</artifactId>
     <packaging>pom</packaging>
diff --git a/operations/resultHandling-v20/pom.xml b/operations/resultHandling-v20/pom.xml
index ced22c4de6..cca1e063aa 100644
--- a/operations/resultHandling-v20/pom.xml
+++ b/operations/resultHandling-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-resultHandling-v20</artifactId>
diff --git a/operations/transactional-v20/pom.xml b/operations/transactional-v20/pom.xml
index d202ca6e42..7e6eeb5066 100644
--- a/operations/transactional-v20/pom.xml
+++ b/operations/transactional-v20/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-operations</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-transactional-v20</artifactId>
diff --git a/pom.xml b/pom.xml
index bfafedeea9..69d4e30176 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 	</parent>
 	<groupId>org.n52.sensorweb-server.sos</groupId>
 	<artifactId>sos-parent</artifactId>
-	<version>6.0.0-SNAPSHOT</version>
+	<version>6.0.0-PR.20</version>
 	<name>52°North Sensor Observation Service</name>
 	<description>52°North Sensor Observation Service - Parent POM for defining dependency versions</description>
 	<url>https://github.com/52North/SOS</url>
@@ -20,7 +20,7 @@
 		<url>https://github.com/52North/SOS</url>
 		<connection>scm:git:https://github.com/52North/SOS.git</connection>
 		<developerConnection>scm:git:https://github.com/52North/SOS.git</developerConnection>
-		<tag>v6.0.0-PR.18</tag>
+		<tag>v6.0.0-PR.20</tag>
 	</scm>
 
 	<issueManagement>
diff --git a/proxy/aquarius/datasource/pom.xml b/proxy/aquarius/datasource/pom.xml
index fc29c74caa..37720c9b79 100644
--- a/proxy/aquarius/datasource/pom.xml
+++ b/proxy/aquarius/datasource/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy-aquarius</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-aquarius-datasource</artifactId>
diff --git a/proxy/aquarius/handler/pom.xml b/proxy/aquarius/handler/pom.xml
index a1f9125512..0db0f3d2e4 100644
--- a/proxy/aquarius/handler/pom.xml
+++ b/proxy/aquarius/handler/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.n52.sensorweb-server.sos</groupId>
 		<artifactId>sos-proxy-aquarius</artifactId>
-		<version>6.0.0-SNAPSHOT</version>
+		<version>6.0.0-PR.20</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>sos-proxy-aquarius-handler</artifactId>
diff --git a/proxy/aquarius/pom.xml b/proxy/aquarius/pom.xml
index 73305ea9ff..62e62a805e 100644
--- a/proxy/aquarius/pom.xml
+++ b/proxy/aquarius/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-proxy-aquarius</artifactId>
     <packaging>pom</packaging>
diff --git a/proxy/datasource/common/pom.xml b/proxy/datasource/common/pom.xml
index 3c74ff07a8..236973f8af 100644
--- a/proxy/datasource/common/pom.xml
+++ b/proxy/datasource/common/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy-datasource</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-datasource-common</artifactId>
diff --git a/proxy/datasource/pom.xml b/proxy/datasource/pom.xml
index ea05a77e7a..31e1b6bc02 100644
--- a/proxy/datasource/pom.xml
+++ b/proxy/datasource/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-datasource</artifactId>
diff --git a/proxy/harvest/common/pom.xml b/proxy/harvest/common/pom.xml
index e86fc5cd51..77a3582490 100644
--- a/proxy/harvest/common/pom.xml
+++ b/proxy/harvest/common/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy-harvest</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-harvest-common</artifactId>
diff --git a/proxy/harvest/dataaccess/pom.xml b/proxy/harvest/dataaccess/pom.xml
index 7f9d1662f5..3aa9468abb 100644
--- a/proxy/harvest/dataaccess/pom.xml
+++ b/proxy/harvest/dataaccess/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy-harvest</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-harvest-dataaccess</artifactId>
diff --git a/proxy/harvest/pom.xml b/proxy/harvest/pom.xml
index 732f75babe..220801d14b 100644
--- a/proxy/harvest/pom.xml
+++ b/proxy/harvest/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-proxy</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-proxy-harvest</artifactId>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index ad4d8ef3dd..43df4be84e 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-parent</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-proxy</artifactId>
     <packaging>pom</packaging>
diff --git a/spring/admin-controller/pom.xml b/spring/admin-controller/pom.xml
index 5630bf0c81..e1a2f71e1f 100644
--- a/spring/admin-controller/pom.xml
+++ b/spring/admin-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-admin-controller</artifactId>
     <name>52°North SOS - Web Admin Controller</name>
diff --git a/spring/client-controller/pom.xml b/spring/client-controller/pom.xml
index eef0ebeb95..1d8444cdfd 100644
--- a/spring/client-controller/pom.xml
+++ b/spring/client-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-client-controller</artifactId>
     <name>52°North SOS - Web Client Controller</name>
diff --git a/spring/common-controller/pom.xml b/spring/common-controller/pom.xml
index da31d5bc0c..21953924d5 100644
--- a/spring/common-controller/pom.xml
+++ b/spring/common-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-common-controller</artifactId>
     <name>52°North SOS - Web Common Controller</name>
diff --git a/spring/install-controller/pom.xml b/spring/install-controller/pom.xml
index cfb888dd9c..f6385d51bd 100644
--- a/spring/install-controller/pom.xml
+++ b/spring/install-controller/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-install-controller</artifactId>
     <name>52°North SOS - Web Install Controller</name>
diff --git a/spring/pom.xml b/spring/pom.xml
index 49fd775120..c4ea795595 100644
--- a/spring/pom.xml
+++ b/spring/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>sos-parent</artifactId>
         <groupId>org.n52.sensorweb-server.sos</groupId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-spring</artifactId>
     <packaging>pom</packaging>
diff --git a/spring/views/pom.xml b/spring/views/pom.xml
index d8cad343d7..7c1436516f 100644
--- a/spring/views/pom.xml
+++ b/spring/views/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.n52.sensorweb-server.sos</groupId>
         <artifactId>sos-spring</artifactId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <artifactId>sos-views</artifactId>
     <name>52°North SOS - Web Views</name>
diff --git a/webapp/pom.xml b/webapp/pom.xml
index 0212004935..35dbe955ee 100644
--- a/webapp/pom.xml
+++ b/webapp/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>sos-parent</artifactId>
         <groupId>org.n52.sensorweb-server.sos</groupId>
-        <version>6.0.0-SNAPSHOT</version>
+        <version>6.0.0-PR.20</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>sos-webapp</artifactId>