diff --git a/deprecated/alfresco-transformer-base/pom.xml b/deprecated/alfresco-transformer-base/pom.xml
index 778c8d25..a94cd8f1 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>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/aio/pom.xml b/engines/aio/pom.xml
index 97757ba9..fa0f6c9b 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>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/base/pom.xml b/engines/base/pom.xml
index d2eb8f36..8ec039e7 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>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/example/pom.xml b/engines/example/pom.xml
index febf1e62..92b1a165 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>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/imagemagick/pom.xml b/engines/imagemagick/pom.xml
index 6a311bb7..f795bf79 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>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/libreoffice/pom.xml b/engines/libreoffice/pom.xml
index eb10e471..3d50d632 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>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/misc/pom.xml b/engines/misc/pom.xml
index 07d47d5d..32cdc546 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>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/pdfrenderer/pom.xml b/engines/pdfrenderer/pom.xml
index 8547f7a8..ecfb3b99 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>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/tika/pom.xml b/engines/tika/pom.xml
index cdd5b3a8..6f1fba66 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>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/model/pom.xml b/model/pom.xml
index 6985482f..61593d20 100644
--- a/model/pom.xml
+++ b/model/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>4.0.1-A3</version>
+        <version>4.0.1-A4-SNAPSHOT</version>
     </parent>
 
     <properties>
diff --git a/pom.xml b/pom.xml
index 737564d0..0e4cbe12 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>4.0.1-A3</version>
+    <version>4.0.1-A4-SNAPSHOT</version>
     <name>Alfresco Transform Core</name>
     <packaging>pom</packaging>
 
@@ -125,7 +125,7 @@
         <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>4.0.1-A3</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <dependencyManagement>