diff --git a/analytics/analytics-functions/pom.xml b/analytics/analytics-functions/pom.xml
index 32f32afd7..e2399ccb1 100644
--- a/analytics/analytics-functions/pom.xml
+++ b/analytics/analytics-functions/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>analytics</artifactId>
         <groupId>uk.gov.gchq.gaffer</groupId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/analytics/analytics-operations/pom.xml b/analytics/analytics-operations/pom.xml
index fd232152c..e04a7105e 100644
--- a/analytics/analytics-operations/pom.xml
+++ b/analytics/analytics-operations/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>analytics</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
 
     <artifactId>analytics-operations</artifactId>
diff --git a/analytics/analytics-rest/pom.xml b/analytics/analytics-rest/pom.xml
index 6f1937b01..fbf153802 100644
--- a/analytics/analytics-rest/pom.xml
+++ b/analytics/analytics-rest/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>analytics</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>analytics-rest</artifactId>
diff --git a/analytics/pom.xml b/analytics/pom.xml
index a75847fb0..8b47f2205 100644
--- a/analytics/pom.xml
+++ b/analytics/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>gaffer-tools</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
 
     <artifactId>analytics</artifactId>
diff --git a/mini-accumulo-cluster/pom.xml b/mini-accumulo-cluster/pom.xml
index 9c49f6a36..9f523515e 100755
--- a/mini-accumulo-cluster/pom.xml
+++ b/mini-accumulo-cluster/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>gaffer-tools</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
 
     <artifactId>mini-accumulo-cluster</artifactId>
diff --git a/performance-testing/performance-testing-accumulo-store/pom.xml b/performance-testing/performance-testing-accumulo-store/pom.xml
index d97339a3a..f16ad3c74 100644
--- a/performance-testing/performance-testing-accumulo-store/pom.xml
+++ b/performance-testing/performance-testing-accumulo-store/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>performance-testing</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/performance-testing/performance-testing-aws/pom.xml b/performance-testing/performance-testing-aws/pom.xml
index f2dacb08a..75e0893b2 100644
--- a/performance-testing/performance-testing-aws/pom.xml
+++ b/performance-testing/performance-testing-aws/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>performance-testing</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/performance-testing/performance-testing-core/pom.xml b/performance-testing/performance-testing-core/pom.xml
index 81598de68..6699a5065 100644
--- a/performance-testing/performance-testing-core/pom.xml
+++ b/performance-testing/performance-testing-core/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>performance-testing</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/performance-testing/pom.xml b/performance-testing/pom.xml
index 3a0a0e396..e3e4f7900 100644
--- a/performance-testing/pom.xml
+++ b/performance-testing/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>gaffer-tools</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index 10934dbe9..e1a186642 100755
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
     </parent>
 
     <artifactId>gaffer-tools</artifactId>
-    <version>1.21.1-SNAPSHOT</version>
+    <version>1.21.1</version>
     <packaging>pom</packaging>
 
     <modules>
diff --git a/random-element-generation/pom.xml b/random-element-generation/pom.xml
index 5e1d40453..829ac180c 100644
--- a/random-element-generation/pom.xml
+++ b/random-element-generation/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>gaffer-tools</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/schema-builder/pom.xml b/schema-builder/pom.xml
index d6abe2025..d9624808e 100644
--- a/schema-builder/pom.xml
+++ b/schema-builder/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>gaffer-tools</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/schema-builder/schema-builder-rest/pom.xml b/schema-builder/schema-builder-rest/pom.xml
index f500f7c23..9f1342fd4 100644
--- a/schema-builder/schema-builder-rest/pom.xml
+++ b/schema-builder/schema-builder-rest/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>schema-builder</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/slider/pom.xml b/slider/pom.xml
index c4a7d75c8..3e8dd50f8 100644
--- a/slider/pom.xml
+++ b/slider/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>gaffer-tools</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
 
     <artifactId>slider</artifactId>
diff --git a/ui/pom.xml b/ui/pom.xml
index 173a3ac82..6219a28e1 100644
--- a/ui/pom.xml
+++ b/ui/pom.xml
@@ -19,7 +19,7 @@
     <parent>
         <groupId>uk.gov.gchq.gaffer</groupId>
         <artifactId>gaffer-tools</artifactId>
-        <version>1.21.1-SNAPSHOT</version>
+        <version>1.21.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ui</artifactId>