[maven-release-plugin] prepare for next development iteration
diff --git a/pom.xml b/pom.xml
index c94fb2b..5b68732 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
     </parent>
 
     <artifactId>org.apache.sling.testing.jcr-mock</artifactId>
-    <version>1.5.4</version>
+    <version>1.5.5-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Apache Sling Testing JCR Mock</name>
@@ -38,11 +38,11 @@
         <connection>scm:git:https://gitbox.apache.org/repos/asf/sling-org-apache-sling-testing-jcr-mock.git</connection>
         <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/sling-org-apache-sling-testing-jcr-mock.git</developerConnection>
         <url>https://gitbox.apache.org/repos/asf?p=sling-org-apache-sling-testing-jcr-mock.git</url>
-        <tag>org.apache.sling.testing.jcr-mock-1.5.4</tag>
+        <tag>HEAD</tag>
     </scm>
     
     <properties>
-        <project.build.outputTimestamp>2021-08-30T16:46:52Z</project.build.outputTimestamp>
+        <project.build.outputTimestamp>2021-08-30T16:47:17Z</project.build.outputTimestamp>
     </properties>
 
     <dependencies>