[maven-release-plugin] prepare for next development iteration
diff --git a/log4j-api-kotlin-benchmark/pom.xml b/log4j-api-kotlin-benchmark/pom.xml
index bdd0ccd..ff39951 100644
--- a/log4j-api-kotlin-benchmark/pom.xml
+++ b/log4j-api-kotlin-benchmark/pom.xml
@@ -20,11 +20,11 @@
   <parent>
     <groupId>org.apache.logging.log4j</groupId>
     <artifactId>log4j-api-kotlin-parent</artifactId>
-    <version>1.2.0</version>
+    <version>1.3.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>log4j-api-kotlin-benchmark</artifactId>
-  <version>1.2.0</version>
+  <version>1.3.0-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Apache Log4j Kotlin API Benchmark</name>
   <description>Benchmarking the Log4j Kotlin API</description>
diff --git a/log4j-api-kotlin-sample/pom.xml b/log4j-api-kotlin-sample/pom.xml
index fe151cb..974cd27 100644
--- a/log4j-api-kotlin-sample/pom.xml
+++ b/log4j-api-kotlin-sample/pom.xml
@@ -20,11 +20,11 @@
   <parent>
     <groupId>org.apache.logging.log4j</groupId>
     <artifactId>log4j-api-kotlin-parent</artifactId>
-    <version>1.2.0</version>
+    <version>1.3.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>log4j-api-kotlin-sample</artifactId>
-  <version>1.2.0</version>
+  <version>1.3.0-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Apache Log4j Kotlin API Samples</name>
   <description>Sample usage of the Log4j Kotlin API</description>
diff --git a/log4j-api-kotlin/pom.xml b/log4j-api-kotlin/pom.xml
index 3312f0b..f349a79 100644
--- a/log4j-api-kotlin/pom.xml
+++ b/log4j-api-kotlin/pom.xml
@@ -20,11 +20,11 @@
   <parent>
     <groupId>org.apache.logging.log4j</groupId>
     <artifactId>log4j-api-kotlin-parent</artifactId>
-    <version>1.2.0</version>
+    <version>1.3.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>log4j-api-kotlin</artifactId>
-  <version>1.2.0</version>
+  <version>1.3.0-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Apache Log4j Kotlin API</name>
   <description>Kotlin wrapper for Log4j API</description>
diff --git a/pom.xml b/pom.xml
index d2a0029..c332ce7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
 
   <groupId>org.apache.logging.log4j</groupId>
   <artifactId>log4j-api-kotlin-parent</artifactId>
-  <version>1.2.0</version>
+  <version>1.3.0-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>Apache Log4j Kotlin API Parent</name>
   <description>Apache Log4j Kotlin API parent project</description>
@@ -36,7 +36,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/logging-log4j-kotlin.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/logging-log4j-kotlin.git</developerConnection>
     <url>https://gitbox.apache.org/repos/asf?p=logging-log4j-kotlin.git</url>
-    <tag>log4j-api-kotlin-1.2.0-rc4</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <distributionManagement>