diff --git a/api/pom.xml b/api/pom.xml
index f6ed12b0..39fa699b 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -26,7 +26,7 @@
         <!-- This is just for now and will not work if the API has a separate release cycle than the rest. -->
         <groupId>org.eclipse.microprofile.reactive.messaging</groupId>
         <artifactId>microprofile-reactive-messaging-parent</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>1.0-RC4</version>
     </parent>
 
     <properties>
diff --git a/pom.xml b/pom.xml
index e023fb85..8bfcbd80 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 
     <groupId>org.eclipse.microprofile.reactive.messaging</groupId>
     <artifactId>microprofile-reactive-messaging-parent</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0-RC4</version>
     <packaging>pom</packaging>
 
     <name>MicroProfile Reactive Messaging</name>
@@ -87,7 +87,7 @@
         <connection>scm:git:https://github.com/eclipse/microprofile-reactive-messaging.git</connection>
         <developerConnection>scm:git:git@github.com:eclipse/microprofile-reactive-messaging.git</developerConnection>
         <url>https://github.com/eclipse/microprofile-reactive-messaging</url>
-        <tag>HEAD</tag>
+        <tag>1.0-RC4</tag>
     </scm>
 
     <distributionManagement>
diff --git a/spec/pom.xml b/spec/pom.xml
index 4090b00e..f636c448 100644
--- a/spec/pom.xml
+++ b/spec/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.eclipse.microprofile.reactive.messaging</groupId>
         <artifactId>microprofile-reactive-messaging-parent</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>1.0-RC4</version>
     </parent>
 
     <artifactId>microprofile-reactive-messaging-spec</artifactId>
diff --git a/tck/pom.xml b/tck/pom.xml
index a2f14782..712efb57 100644
--- a/tck/pom.xml
+++ b/tck/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.eclipse.microprofile.reactive.messaging</groupId>
         <artifactId>microprofile-reactive-messaging-parent</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>1.0-RC4</version>
     </parent>
 
     <artifactId>microprofile-reactive-messaging-tck</artifactId>