diff --git a/deprecated/alfresco-transformer-base/pom.xml b/deprecated/alfresco-transformer-base/pom.xml
index 3ceddb95..e4eb4abf 100644
--- a/deprecated/alfresco-transformer-base/pom.xml
+++ b/deprecated/alfresco-transformer-base/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/aio/pom.xml b/engines/aio/pom.xml
index 4d9915b1..d411a087 100644
--- a/engines/aio/pom.xml
+++ b/engines/aio/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/base/pom.xml b/engines/base/pom.xml
index f91e0406..7aaa62cb 100644
--- a/engines/base/pom.xml
+++ b/engines/base/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/example/pom.xml b/engines/example/pom.xml
index 028592bf..20c31ea7 100644
--- a/engines/example/pom.xml
+++ b/engines/example/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/imagemagick/pom.xml b/engines/imagemagick/pom.xml
index b157e66a..1f814da6 100644
--- a/engines/imagemagick/pom.xml
+++ b/engines/imagemagick/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/libreoffice/pom.xml b/engines/libreoffice/pom.xml
index ab0f56c1..317b06ea 100644
--- a/engines/libreoffice/pom.xml
+++ b/engines/libreoffice/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/misc/pom.xml b/engines/misc/pom.xml
index 66a9682b..98026eda 100644
--- a/engines/misc/pom.xml
+++ b/engines/misc/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/pdfrenderer/pom.xml b/engines/pdfrenderer/pom.xml
index f3c1167b..66deff60 100644
--- a/engines/pdfrenderer/pom.xml
+++ b/engines/pdfrenderer/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/tika/pom.xml b/engines/tika/pom.xml
index 25e311d2..b6da53e8 100644
--- a/engines/tika/pom.xml
+++ b/engines/tika/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/model/pom.xml b/model/pom.xml
index 2cb16ad4..ef9e0bcd 100644
--- a/model/pom.xml
+++ b/model/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.3-A3</version>
+        <version>5.1.3-A4-SNAPSHOT</version>
     </parent>
 
     <properties>
diff --git a/pom.xml b/pom.xml
index 50a13cae..9bcd0f20 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.alfresco</groupId>
     <artifactId>alfresco-transform-core</artifactId>
-    <version>5.1.3-A3</version>
+    <version>5.1.3-A4-SNAPSHOT</version>
     <name>Alfresco Transform Core</name>
     <packaging>pom</packaging>
 
@@ -126,7 +126,7 @@
         <connection>scm:git:https://github.com/Alfresco/alfresco-transform-core.git</connection>
         <developerConnection>scm:git:https://github.com/Alfresco/alfresco-transform-core.git</developerConnection>
         <url>https://github.com/Alfresco/alfresco-transform-core</url>
-        <tag>5.1.3-A3</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <dependencyManagement>