diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 0daa389b..dc6868e5 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index bd97e070..8c82d2fa 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 52e75ac9..f7970b13 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index c1785404..be8ac82f 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index adf29d35..88911eaa 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 279eef08..bccf5e14 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 72f9dfa7..ae9f130e 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index a88af6a4..9eab0f4e 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 4bbd14f5..2ca29bac 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 543d701c..1b8e100a 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 36c3c245..b934fdcd 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 10328eef..b6214e7d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.19.1-SNAPSHOT</version>
+    <version>0.20.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->