[maven-release-plugin] prepare for next development iteration
diff --git a/johnzon-core/pom.xml b/johnzon-core/pom.xml
index 86b8634..03d084e 100644
--- a/johnzon-core/pom.xml
+++ b/johnzon-core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-distribution/pom.xml b/johnzon-distribution/pom.xml
index c8b3d0f..9630f5b 100644
--- a/johnzon-distribution/pom.xml
+++ b/johnzon-distribution/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-jaxrs/pom.xml b/johnzon-jaxrs/pom.xml
index 84f811a..5ffaa96 100644
--- a/johnzon-jaxrs/pom.xml
+++ b/johnzon-jaxrs/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-json-extras/pom.xml b/johnzon-json-extras/pom.xml
index 62a6e1d..522fa81 100644
--- a/johnzon-json-extras/pom.xml
+++ b/johnzon-json-extras/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-jsonb/pom.xml b/johnzon-jsonb/pom.xml
index 0eb19eb..51c53d5 100644
--- a/johnzon-jsonb/pom.xml
+++ b/johnzon-jsonb/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-jsonlogic/pom.xml b/johnzon-jsonlogic/pom.xml
index e8e7418..cecae60 100644
--- a/johnzon-jsonlogic/pom.xml
+++ b/johnzon-jsonlogic/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-jsonp-strict/pom.xml b/johnzon-jsonp-strict/pom.xml
index c5c4e41..9720adf 100644
--- a/johnzon-jsonp-strict/pom.xml
+++ b/johnzon-jsonp-strict/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-jsonschema/pom.xml b/johnzon-jsonschema/pom.xml
index ac91796..61e7e6c 100644
--- a/johnzon-jsonschema/pom.xml
+++ b/johnzon-jsonschema/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-mapper/pom.xml b/johnzon-mapper/pom.xml
index 3f71731..05bc495 100644
--- a/johnzon-mapper/pom.xml
+++ b/johnzon-mapper/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-maven-plugin/pom.xml b/johnzon-maven-plugin/pom.xml
index 0fc4df9..899dafc 100644
--- a/johnzon-maven-plugin/pom.xml
+++ b/johnzon-maven-plugin/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
 
   <artifactId>johnzon-maven-plugin</artifactId>
diff --git a/johnzon-osgi/pom.xml b/johnzon-osgi/pom.xml
index 3d77d5a..7c4e041 100644
--- a/johnzon-osgi/pom.xml
+++ b/johnzon-osgi/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-websocket/pom.xml b/johnzon-websocket/pom.xml
index 2e717af..f845ab6 100644
--- a/johnzon-websocket/pom.xml
+++ b/johnzon-websocket/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>johnzon</artifactId>
     <groupId>org.apache.johnzon</groupId>
-    <version>1.2.19</version>
+    <version>1.2.20-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 0a188e1..75689dc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
   <groupId>org.apache.johnzon</groupId>
   <artifactId>johnzon</artifactId>
   <packaging>pom</packaging>
-  <version>1.2.19</version>
+  <version>1.2.20-SNAPSHOT</version>
   <name>Apache Johnzon</name>
   <description>Apache Johnzon is an implementation of JSR-353 (JavaTM API for JSON Processing).</description>
   <inceptionYear>2014</inceptionYear>
@@ -510,7 +510,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/johnzon.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/johnzon.git</developerConnection>
     <url>https://git-wip-us.apache.org/repos/asf?p=johnzon.git</url>
-    <tag>v1.2.19</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <reporting>