diff --git a/deprecated/alfresco-transformer-base/pom.xml b/deprecated/alfresco-transformer-base/pom.xml
index f91c3837..fca35b45 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>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/aio/pom.xml b/engines/aio/pom.xml
index c2f4d086..3e9e89a4 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>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/base/pom.xml b/engines/base/pom.xml
index 73cec7c5..743f2000 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>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/example/pom.xml b/engines/example/pom.xml
index a74ea759..0f35162a 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>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/imagemagick/pom.xml b/engines/imagemagick/pom.xml
index 168afd70..94c953c2 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>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/libreoffice/pom.xml b/engines/libreoffice/pom.xml
index 37abeeb2..7bb6a239 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>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/misc/pom.xml b/engines/misc/pom.xml
index 5d8c9f2c..32ff8cac 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>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/pdfrenderer/pom.xml b/engines/pdfrenderer/pom.xml
index 881ced0f..21fa9cd4 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>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/engines/tika/pom.xml b/engines/tika/pom.xml
index 318ad2cd..1e72ac96 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>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/model/pom.xml b/model/pom.xml
index 89192a76..b75de07b 100644
--- a/model/pom.xml
+++ b/model/pom.xml
@@ -8,7 +8,7 @@
     <parent>
         <groupId>org.alfresco</groupId>
         <artifactId>alfresco-transform-core</artifactId>
-        <version>5.1.1-SNAPSHOT</version>
+        <version>5.1.1</version>
     </parent>
 
     <properties>
diff --git a/pom.xml b/pom.xml
index 6d3fad53..71fc67df 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>5.1.1-SNAPSHOT</version>
+    <version>5.1.1</version>
     <name>Alfresco Transform Core</name>
     <packaging>pom</packaging>
 
@@ -124,7 +124,7 @@
         <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>HEAD</tag>
+        <tag>5.1.1</tag>
     </scm>
 
     <dependencyManagement>