[maven-release-plugin] prepare for next development iteration
diff --git a/johnzon-core/pom.xml b/johnzon-core/pom.xml
index 843b13c..2e8c768 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-distribution/pom.xml b/johnzon-distribution/pom.xml
index d7ca3d5..091b08c 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-jaxrs/pom.xml b/johnzon-jaxrs/pom.xml
index 94d99fd..16775e5 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-json-extras/pom.xml b/johnzon-json-extras/pom.xml
index e805e71..456dafe 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-jsonb/pom.xml b/johnzon-jsonb/pom.xml
index 84688e7..fd0a1ce 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-jsonschema/pom.xml b/johnzon-jsonschema/pom.xml
index fcb5c06..8b0f872 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-mapper/pom.xml b/johnzon-mapper/pom.xml
index a132282..f78e977 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-maven-plugin/pom.xml b/johnzon-maven-plugin/pom.xml
index e4270b7..07d1036 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>johnzon-maven-plugin</artifactId>
diff --git a/johnzon-osgi/pom.xml b/johnzon-osgi/pom.xml
index 64d23f6..8af8cc8 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/johnzon-websocket/pom.xml b/johnzon-websocket/pom.xml
index 03008d3..07854c2 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>1.2.3</version>
+    <version>1.2.4-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index c642238..0858753 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
   <groupId>org.apache.johnzon</groupId>
   <artifactId>johnzon</artifactId>
   <packaging>pom</packaging>
-  <version>1.2.3</version>
+  <version>1.2.4-SNAPSHOT</version>
   <name>Apache Johnzon</name>
   <description>Apache Johnzon is an implementation of JSR-353 (JavaTM API for JSON Processing).</description>
   <inceptionYear>2014</inceptionYear>
@@ -427,7 +427,7 @@
     <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>v1.2.3</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <reporting>