diff --git a/greenmail-core/pom.xml b/greenmail-core/pom.xml
index 8b700f184e..1ee5215ae3 100644
--- a/greenmail-core/pom.xml
+++ b/greenmail-core/pom.xml
@@ -8,12 +8,12 @@
 
   <artifactId>greenmail</artifactId>
   <packaging>jar</packaging>
-  <version>1.6.3-SNAPSHOT</version>
+  <version>1.6.3</version>
 
   <parent>
     <groupId>com.icegreen</groupId>
     <artifactId>greenmail-parent</artifactId>
-    <version>1.6.3-SNAPSHOT</version>
+    <version>1.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-docker/standalone/pom.xml b/greenmail-docker/standalone/pom.xml
index 72a3f6b9c2..bc4ba78848 100644
--- a/greenmail-docker/standalone/pom.xml
+++ b/greenmail-docker/standalone/pom.xml
@@ -4,7 +4,7 @@
   <description>Docker image running GreenMail Standalone</description>
 
   <artifactId>greenmail-docker-standalone</artifactId>
-  <version>1.6.3-SNAPSHOT</version>
+  <version>1.6.3</version>
   <!-- Does not actually provide a JAR, but requires the JAR Maven lifecycle
        for unit test -->
   <packaging>jar</packaging>
@@ -16,7 +16,7 @@
   <parent>
     <groupId>com.icegreen</groupId>
     <artifactId>greenmail-parent</artifactId>
-    <version>1.6.3-SNAPSHOT</version>
+    <version>1.6.3</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-junit4/pom.xml b/greenmail-junit4/pom.xml
index dffe585101..80152a4e71 100644
--- a/greenmail-junit4/pom.xml
+++ b/greenmail-junit4/pom.xml
@@ -8,12 +8,12 @@
 
     <artifactId>greenmail-junit4</artifactId>
     <packaging>jar</packaging>
-    <version>1.6.3-SNAPSHOT</version>
+    <version>1.6.3</version>
 
     <parent>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-parent</artifactId>
-        <version>1.6.3-SNAPSHOT</version>
+        <version>1.6.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/greenmail-junit5/pom.xml b/greenmail-junit5/pom.xml
index a928fe6109..1028907a88 100644
--- a/greenmail-junit5/pom.xml
+++ b/greenmail-junit5/pom.xml
@@ -8,12 +8,12 @@
 
   <artifactId>greenmail-junit5</artifactId>
   <packaging>jar</packaging>
-  <version>1.6.3-SNAPSHOT</version>
+  <version>1.6.3</version>
 
   <parent>
     <groupId>com.icegreen</groupId>
     <artifactId>greenmail-parent</artifactId>
-    <version>1.6.3-SNAPSHOT</version>
+    <version>1.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-spring/pom.xml b/greenmail-spring/pom.xml
index 8aad7ea62b..5f1f70851e 100644
--- a/greenmail-spring/pom.xml
+++ b/greenmail-spring/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.icegreen</groupId>
   <artifactId>greenmail-spring</artifactId>
-  <version>1.6.3-SNAPSHOT</version>
+  <version>1.6.3</version>
   <packaging>jar</packaging>
   <name>== GreenMail Spring ==</name>
   <description>GreenMail support for Spring</description>
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.icegreen</groupId>
     <artifactId>greenmail-parent</artifactId>
-    <version>1.6.3-SNAPSHOT</version>
+    <version>1.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-standalone/pom.xml b/greenmail-standalone/pom.xml
index 05e100a043..c1514d1005 100644
--- a/greenmail-standalone/pom.xml
+++ b/greenmail-standalone/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.icegreen</groupId>
   <artifactId>greenmail-standalone</artifactId>
-  <version>1.6.3-SNAPSHOT</version>
+  <version>1.6.3</version>
   <packaging>jar</packaging>
   <name>== Greenmail Standalone ==</name>
   <description>Run GreenMail standalone</description>
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.icegreen</groupId>
     <artifactId>greenmail-parent</artifactId>
-    <version>1.6.3-SNAPSHOT</version>
+    <version>1.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-webapp/pom.xml b/greenmail-webapp/pom.xml
index be076d9fe4..097bb70259 100644
--- a/greenmail-webapp/pom.xml
+++ b/greenmail-webapp/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.icegreen</groupId>
   <artifactId>greenmail-webapp</artifactId>
-  <version>1.6.3-SNAPSHOT</version>
+  <version>1.6.3</version>
   <packaging>war</packaging>
   <name>== Greenmail Webapp ==</name>
   <description>Embedded GreenMail Webapp</description>
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.icegreen</groupId>
     <artifactId>greenmail-parent</artifactId>
-    <version>1.6.3-SNAPSHOT</version>
+    <version>1.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 35429766c0..c2bebf15e5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
   <artifactId>greenmail-parent</artifactId>
   <packaging>pom</packaging>
   <!-- This version should get inherited to all subprojects. -->
-  <version>1.6.3-SNAPSHOT</version>
+  <version>1.6.3</version>
 
   <licenses>
     <license>
@@ -31,7 +31,7 @@
     <url>
       https://github.com/greenmail-mail-test/greenmail
     </url>
-    <tag>release-1.6.1</tag>
+    <tag>release-1.6.3</tag>
   </scm>
 
   <issueManagement>
@@ -375,32 +375,32 @@
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail</artifactId>
-        <version>1.6.3-SNAPSHOT</version>
+        <version>1.6.3</version>
       </dependency>
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-standalone</artifactId>
-        <version>1.6.3-SNAPSHOT</version>
+        <version>1.6.3</version>
       </dependency>
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-webapp</artifactId>
-        <version>1.6.3-SNAPSHOT</version>
+        <version>1.6.3</version>
       </dependency>
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-spring</artifactId>
-        <version>1.6.3-SNAPSHOT</version>
+        <version>1.6.3</version>
       </dependency>
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-junit4</artifactId>
-        <version>1.6.3-SNAPSHOT</version>
+        <version>1.6.3</version>
       </dependency>
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-junit5</artifactId>
-        <version>1.6.3-SNAPSHOT</version>
+        <version>1.6.3</version>
       </dependency>
 
       <!-- Third party -->