Revert "[maven-release-plugin] prepare release jackrabbit-oak-1.52"

This reverts commit 3d709e2cb03dbfbdaa30d1fe0308062a9d49e7d0.
diff --git a/oak-api/pom.xml b/oak-api/pom.xml
index 906b9c2..36ee0a6 100644
--- a/oak-api/pom.xml
+++ b/oak-api/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/oak-auth-external/pom.xml b/oak-auth-external/pom.xml
index 3e4610b..f93dfa8 100644
--- a/oak-auth-external/pom.xml
+++ b/oak-auth-external/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-auth-ldap/pom.xml b/oak-auth-ldap/pom.xml
index efd8e4e..f202102 100644
--- a/oak-auth-ldap/pom.xml
+++ b/oak-auth-ldap/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-authorization-cug/pom.xml b/oak-authorization-cug/pom.xml
index 2ffc46c..655c737 100644
--- a/oak-authorization-cug/pom.xml
+++ b/oak-authorization-cug/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/oak-authorization-principalbased/pom.xml b/oak-authorization-principalbased/pom.xml
index 5be82d8..a59dc5b 100644
--- a/oak-authorization-principalbased/pom.xml
+++ b/oak-authorization-principalbased/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/oak-benchmarks-elastic/pom.xml b/oak-benchmarks-elastic/pom.xml
index 7ca9581..6e68214 100644
--- a/oak-benchmarks-elastic/pom.xml
+++ b/oak-benchmarks-elastic/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/oak-benchmarks-lucene/pom.xml b/oak-benchmarks-lucene/pom.xml
index e8cae2a..0f52ee6 100644
--- a/oak-benchmarks-lucene/pom.xml
+++ b/oak-benchmarks-lucene/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/oak-benchmarks-solr/pom.xml b/oak-benchmarks-solr/pom.xml
index d9fac34..4360a89 100644
--- a/oak-benchmarks-solr/pom.xml
+++ b/oak-benchmarks-solr/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/oak-benchmarks/pom.xml b/oak-benchmarks/pom.xml
index 59cd806..6939ccc 100644
--- a/oak-benchmarks/pom.xml
+++ b/oak-benchmarks/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-blob-cloud-azure/pom.xml b/oak-blob-cloud-azure/pom.xml
index 9577a7d..4451f8a 100644
--- a/oak-blob-cloud-azure/pom.xml
+++ b/oak-blob-cloud-azure/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>oak-parent</artifactId>
         <groupId>org.apache.jackrabbit</groupId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/oak-blob-cloud/pom.xml b/oak-blob-cloud/pom.xml
index 0972184..fe72b0b 100644
--- a/oak-blob-cloud/pom.xml
+++ b/oak-blob-cloud/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>oak-parent</artifactId>
         <groupId>org.apache.jackrabbit</groupId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/oak-blob-plugins/pom.xml b/oak-blob-plugins/pom.xml
index b1368d0..6ba1044 100644
--- a/oak-blob-plugins/pom.xml
+++ b/oak-blob-plugins/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/oak-blob/pom.xml b/oak-blob/pom.xml
index 86184c1..22922a6 100644
--- a/oak-blob/pom.xml
+++ b/oak-blob/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>oak-parent</artifactId>
     <groupId>org.apache.jackrabbit</groupId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/oak-commons/pom.xml b/oak-commons/pom.xml
index 8524024..97a526e 100644
--- a/oak-commons/pom.xml
+++ b/oak-commons/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-core-spi/pom.xml b/oak-core-spi/pom.xml
index 0df46cd..87825ab 100644
--- a/oak-core-spi/pom.xml
+++ b/oak-core-spi/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/oak-core/pom.xml b/oak-core/pom.xml
index 7c16ca9..a5b83b7 100644
--- a/oak-core/pom.xml
+++ b/oak-core/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-examples/pom.xml b/oak-examples/pom.xml
index 0cf7e1f..c9e36ef 100644
--- a/oak-examples/pom.xml
+++ b/oak-examples/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-examples/standalone/pom.xml b/oak-examples/standalone/pom.xml
index 938a562..495d620 100644
--- a/oak-examples/standalone/pom.xml
+++ b/oak-examples/standalone/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../../oak-parent/pom.xml</relativePath>
   </parent>
   <artifactId>oak-standalone</artifactId>
diff --git a/oak-examples/webapp/pom.xml b/oak-examples/webapp/pom.xml
index ec44e68..8dffb38 100644
--- a/oak-examples/webapp/pom.xml
+++ b/oak-examples/webapp/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../../oak-parent/pom.xml</relativePath>
   </parent>
   <artifactId>oak-webapp</artifactId>
diff --git a/oak-exercise/pom.xml b/oak-exercise/pom.xml
index c568152..43728d0 100644
--- a/oak-exercise/pom.xml
+++ b/oak-exercise/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-http/pom.xml b/oak-http/pom.xml
index 7a393ad..e9296b4 100644
--- a/oak-http/pom.xml
+++ b/oak-http/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-it-osgi/pom.xml b/oak-it-osgi/pom.xml
index 1abcb8f..7c1a2b7 100644
--- a/oak-it-osgi/pom.xml
+++ b/oak-it-osgi/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-it/pom.xml b/oak-it/pom.xml
index fb48d58..59b6654 100644
--- a/oak-it/pom.xml
+++ b/oak-it/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-jackrabbit-api/pom.xml b/oak-jackrabbit-api/pom.xml
index 661fbd9..283571f 100644
--- a/oak-jackrabbit-api/pom.xml
+++ b/oak-jackrabbit-api/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/oak-jcr/pom.xml b/oak-jcr/pom.xml
index 72f17ee..0745ea1 100644
--- a/oak-jcr/pom.xml
+++ b/oak-jcr/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-lucene/pom.xml b/oak-lucene/pom.xml
index 5fc90f6..e00af84 100644
--- a/oak-lucene/pom.xml
+++ b/oak-lucene/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-parent/pom.xml b/oak-parent/pom.xml
index 983b7ab..eb0b3c3 100644
--- a/oak-parent/pom.xml
+++ b/oak-parent/pom.xml
@@ -30,7 +30,7 @@
   <groupId>org.apache.jackrabbit</groupId>
   <artifactId>oak-parent</artifactId>
   <name>Oak Parent POM</name>
-  <version>1.52</version>
+  <version>1.51-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <properties>
@@ -1335,8 +1335,4 @@
       </build>
     </profile>
   </profiles>
-
-  <scm>
-    <tag>jackrabbit-oak-1.52</tag>
-  </scm>
 </project>
diff --git a/oak-pojosr/pom.xml b/oak-pojosr/pom.xml
index 3b927df..55e5c7d 100644
--- a/oak-pojosr/pom.xml
+++ b/oak-pojosr/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-query-spi/pom.xml b/oak-query-spi/pom.xml
index f08e918..2ff1746 100644
--- a/oak-query-spi/pom.xml
+++ b/oak-query-spi/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-run-commons/pom.xml b/oak-run-commons/pom.xml
index 8ff0079..698c099 100644
--- a/oak-run-commons/pom.xml
+++ b/oak-run-commons/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-run-elastic/pom.xml b/oak-run-elastic/pom.xml
index 683fd64..64d5669 100644
--- a/oak-run-elastic/pom.xml
+++ b/oak-run-elastic/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-run/pom.xml b/oak-run/pom.xml
index ea13181..460fb1c 100644
--- a/oak-run/pom.xml
+++ b/oak-run/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-search-elastic/pom.xml b/oak-search-elastic/pom.xml
index 7bcf693..845ff6a 100644
--- a/oak-search-elastic/pom.xml
+++ b/oak-search-elastic/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-search-mt/pom.xml b/oak-search-mt/pom.xml
index 0101299..fc6c943 100644
--- a/oak-search-mt/pom.xml
+++ b/oak-search-mt/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-search/pom.xml b/oak-search/pom.xml
index a50fba1..3a72653 100644
--- a/oak-search/pom.xml
+++ b/oak-search/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-security-spi/pom.xml b/oak-security-spi/pom.xml
index c6a7f44..89a8644 100644
--- a/oak-security-spi/pom.xml
+++ b/oak-security-spi/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-segment-aws/pom.xml b/oak-segment-aws/pom.xml
index e3420a3..862c272 100644
--- a/oak-segment-aws/pom.xml
+++ b/oak-segment-aws/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-segment-azure/pom.xml b/oak-segment-azure/pom.xml
index 5a1a8a8..b8528c9 100644
--- a/oak-segment-azure/pom.xml
+++ b/oak-segment-azure/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-segment-remote/pom.xml b/oak-segment-remote/pom.xml
index 05e2de0..b6f3480 100644
--- a/oak-segment-remote/pom.xml
+++ b/oak-segment-remote/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/oak-segment-tar/pom.xml b/oak-segment-tar/pom.xml
index 1362ea4..7904467 100644
--- a/oak-segment-tar/pom.xml
+++ b/oak-segment-tar/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-shaded-guava/pom.xml b/oak-shaded-guava/pom.xml
index fad4262..ee85626 100644
--- a/oak-shaded-guava/pom.xml
+++ b/oak-shaded-guava/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/oak-solr-core/pom.xml b/oak-solr-core/pom.xml
index 02d1569..e4fbeaf 100644
--- a/oak-solr-core/pom.xml
+++ b/oak-solr-core/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-solr-osgi/pom.xml b/oak-solr-osgi/pom.xml
index 27888f4..d18dfe1 100644
--- a/oak-solr-osgi/pom.xml
+++ b/oak-solr-osgi/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache.jackrabbit</groupId>
         <artifactId>oak-parent</artifactId>
-        <version>1.52</version>
+        <version>1.51-SNAPSHOT</version>
         <relativePath>../oak-parent/pom.xml</relativePath>
     </parent>
 
diff --git a/oak-store-composite/pom.xml b/oak-store-composite/pom.xml
index 4c28d83..1432e9b 100644
--- a/oak-store-composite/pom.xml
+++ b/oak-store-composite/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-store-document/pom.xml b/oak-store-document/pom.xml
index 4e1d882..36a839d 100644
--- a/oak-store-document/pom.xml
+++ b/oak-store-document/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/oak-store-spi/pom.xml b/oak-store-spi/pom.xml
index 4d7de49..1b4286a 100644
--- a/oak-store-spi/pom.xml
+++ b/oak-store-spi/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/oak-upgrade/pom.xml b/oak-upgrade/pom.xml
index 153a7f1..cfb9208 100644
--- a/oak-upgrade/pom.xml
+++ b/oak-upgrade/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>../oak-parent/pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 2cc7a92..d5c41ac 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.jackrabbit</groupId>
     <artifactId>oak-parent</artifactId>
-    <version>1.52</version>
+    <version>1.51-SNAPSHOT</version>
     <relativePath>oak-parent/pom.xml</relativePath>
   </parent>
 
@@ -91,7 +91,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/jackrabbit-oak.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/jackrabbit-oak.git</developerConnection>
     <url>https://github.com/apache/jackrabbit-oak/tree/${project.scm.tag}</url>
-    <tag>jackrabbit-oak-1.52</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <build>