diff --git a/deprecated/alfresco-transformer-base/pom.xml b/deprecated/alfresco-transformer-base/pom.xml
index 94b432c8..9cb00df6 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>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/aio/pom.xml b/engines/aio/pom.xml
index 97c418f1..db98c59c 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>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/base/pom.xml b/engines/base/pom.xml
index e18e594f..edee1835 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>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/example/pom.xml b/engines/example/pom.xml
index 2dffd2a1..14c8b918 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>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/imagemagick/pom.xml b/engines/imagemagick/pom.xml
index 4fe1dd2f..0ddd433d 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>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/libreoffice/pom.xml b/engines/libreoffice/pom.xml
index 13428503..28f12a7b 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>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/misc/pom.xml b/engines/misc/pom.xml
index 0f5cb8ac..cc9c9091 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>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/pdfrenderer/pom.xml b/engines/pdfrenderer/pom.xml
index 47ff7a82..e4bf089d 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>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/tika/pom.xml b/engines/tika/pom.xml
index e324dde9..80710095 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>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/model/pom.xml b/model/pom.xml
index 1cf30476..6a3fbaa8 100644
--- a/model/pom.xml
+++ b/model/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>4.1.0-A2-SNAPSHOT</version>
+        <version>4.1.0-M1-SNAPSHOT</version>
     </parent>
 
     <properties>
diff --git a/pom.xml b/pom.xml
index bff57b05..66b24ba1 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>4.1.0-A2-SNAPSHOT</version>
+    <version>4.1.0-M1-SNAPSHOT</version>
     <name>Alfresco Transform Core</name>
     <packaging>pom</packaging>