diff --git a/greenmail-core/pom.xml b/greenmail-core/pom.xml
index 8a0e7fdd30..77793ba5d2 100644
--- a/greenmail-core/pom.xml
+++ b/greenmail-core/pom.xml
@@ -8,12 +8,12 @@
 
   <artifactId>greenmail</artifactId>
   <packaging>jar</packaging>
-  <version>1.5.11-SNAPSHOT</version>
+  <version>1.5.11</version>
 
   <parent>
     <groupId>com.icegreen</groupId>
     <artifactId>greenmail-parent</artifactId>
-    <version>1.5.11-SNAPSHOT</version>
+    <version>1.5.11</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-docker/standalone/pom.xml b/greenmail-docker/standalone/pom.xml
index 72f2700363..4a0b112840 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>1.5.11-SNAPSHOT</version>
+  <version>1.5.11</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>1.5.11-SNAPSHOT</version>
+    <version>1.5.11</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-jboss-service/pom.xml b/greenmail-jboss-service/pom.xml
index 35b9f74e13..73bb6580e0 100644
--- a/greenmail-jboss-service/pom.xml
+++ b/greenmail-jboss-service/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.icegreen</groupId>
   <artifactId>greenmail-jboss-service</artifactId>
-  <version>1.5.11-SNAPSHOT</version>
+  <version>1.5.11</version>
   <packaging>jboss-sar</packaging>
   <name>== GreenMail JBoss Service ==</name>
   <description>JBoss Service MBean for GreenMail</description>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.icegreen</groupId>
     <artifactId>greenmail-parent</artifactId>
-    <version>1.5.11-SNAPSHOT</version>
+    <version>1.5.11</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-spring/pom.xml b/greenmail-spring/pom.xml
index ba0fac9f0c..f03402e035 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>1.5.11-SNAPSHOT</version>
+  <version>1.5.11</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>1.5.11-SNAPSHOT</version>
+    <version>1.5.11</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-standalone/pom.xml b/greenmail-standalone/pom.xml
index 14cd6d14fd..06e911cbb5 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>1.5.11-SNAPSHOT</version>
+  <version>1.5.11</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>1.5.11-SNAPSHOT</version>
+    <version>1.5.11</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/greenmail-webapp/pom.xml b/greenmail-webapp/pom.xml
index a86f3d4fcc..74ec390a4e 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>1.5.11-SNAPSHOT</version>
+  <version>1.5.11</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>1.5.11-SNAPSHOT</version>
+    <version>1.5.11</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index cb85b89e09..a80db195fe 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>1.5.11-SNAPSHOT</version>
+  <version>1.5.11</version>
 
   <prerequisites>
     <maven>3.6</maven>
@@ -35,7 +35,7 @@
     <url>
       https://github.com/greenmail-mail-test/greenmail
     </url>
-    <tag>HEAD</tag>
+    <tag>release-1.5.11</tag>
   </scm>
 
   <issueManagement>
@@ -362,27 +362,27 @@
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail</artifactId>
-        <version>1.5.11-SNAPSHOT</version>
+        <version>1.5.11</version>
       </dependency>
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-standalone</artifactId>
-        <version>1.5.11-SNAPSHOT</version>
+        <version>1.5.11</version>
       </dependency>
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-webapp</artifactId>
-        <version>1.5.11-SNAPSHOT</version>
+        <version>1.5.11</version>
       </dependency>
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-spring</artifactId>
-        <version>1.5.11-SNAPSHOT</version>
+        <version>1.5.11</version>
       </dependency>
       <dependency>
         <groupId>com.icegreen</groupId>
         <artifactId>greenmail-jboss-service</artifactId>
-        <version>1.5.11-SNAPSHOT</version>
+        <version>1.5.11</version>
       </dependency>
 
       <!-- Third party -->