diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd2f00da5..fb5671d6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Development version 2.2.4
+## Release version 2.2.4
 
 **Internal changes & Bugfixes**
 * Fixed Tomcat Docker images already having UID/GID 1000, FROST now uses 1001.
diff --git a/FROST-Server.Auth.Basic/pom.xml b/FROST-Server.Auth.Basic/pom.xml
index 8b4a07adc..542de471d 100644
--- a/FROST-Server.Auth.Basic/pom.xml
+++ b/FROST-Server.Auth.Basic/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.Auth.Basic</artifactId>
diff --git a/FROST-Server.Auth.Keycloak/pom.xml b/FROST-Server.Auth.Keycloak/pom.xml
index e308b47e3..7c8dd782a 100644
--- a/FROST-Server.Auth.Keycloak/pom.xml
+++ b/FROST-Server.Auth.Keycloak/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.Auth.Keycloak</artifactId>
diff --git a/FROST-Server.Core.Model/pom.xml b/FROST-Server.Core.Model/pom.xml
index 9b9664588..388acb912 100644
--- a/FROST-Server.Core.Model/pom.xml
+++ b/FROST-Server.Core.Model/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.Core.Model</artifactId>
diff --git a/FROST-Server.Core/pom.xml b/FROST-Server.Core/pom.xml
index 14a080870..7e5e61a5b 100644
--- a/FROST-Server.Core/pom.xml
+++ b/FROST-Server.Core/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.Core</artifactId>
diff --git a/FROST-Server.HTTP.Common/pom.xml b/FROST-Server.HTTP.Common/pom.xml
index ed8d21400..a6dc171f3 100644
--- a/FROST-Server.HTTP.Common/pom.xml
+++ b/FROST-Server.HTTP.Common/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.HTTP.Common</artifactId>
diff --git a/FROST-Server.HTTP/pom.xml b/FROST-Server.HTTP/pom.xml
index 772814382..da90c1828 100644
--- a/FROST-Server.HTTP/pom.xml
+++ b/FROST-Server.HTTP/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.HTTP</artifactId>
diff --git a/FROST-Server.MQTT.Moquette/pom.xml b/FROST-Server.MQTT.Moquette/pom.xml
index 1ffc59a5e..511d75ab4 100644
--- a/FROST-Server.MQTT.Moquette/pom.xml
+++ b/FROST-Server.MQTT.Moquette/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.MQTT.Moquette</artifactId>
diff --git a/FROST-Server.MQTT/pom.xml b/FROST-Server.MQTT/pom.xml
index 8c0bee54f..40e851b5c 100644
--- a/FROST-Server.MQTT/pom.xml
+++ b/FROST-Server.MQTT/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.MQTT</artifactId>
diff --git a/FROST-Server.MQTTP/pom.xml b/FROST-Server.MQTTP/pom.xml
index 204e14f33..1bc20662d 100644
--- a/FROST-Server.MQTTP/pom.xml
+++ b/FROST-Server.MQTTP/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.MQTTP</artifactId>
diff --git a/FROST-Server.SQLjooq/pom.xml b/FROST-Server.SQLjooq/pom.xml
index cd3956c8c..64aa45b02 100644
--- a/FROST-Server.SQLjooq/pom.xml
+++ b/FROST-Server.SQLjooq/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.SQLjooq</artifactId>
diff --git a/FROST-Server.Tests/pom.xml b/FROST-Server.Tests/pom.xml
index 160759cd3..606753b42 100644
--- a/FROST-Server.Tests/pom.xml
+++ b/FROST-Server.Tests/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.Tests</artifactId>
diff --git a/FROST-Server.Util/pom.xml b/FROST-Server.Util/pom.xml
index 3d741b7e5..dd0b76ed5 100644
--- a/FROST-Server.Util/pom.xml
+++ b/FROST-Server.Util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.Util</artifactId>
diff --git a/Plugins/Actuation/pom.xml b/Plugins/Actuation/pom.xml
index a834bea45..d8e720788 100644
--- a/Plugins/Actuation/pom.xml
+++ b/Plugins/Actuation/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.Actuation</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/BatchProcessing/pom.xml b/Plugins/BatchProcessing/pom.xml
index 9e079cfcf..201457e18 100644
--- a/Plugins/BatchProcessing/pom.xml
+++ b/Plugins/BatchProcessing/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.BatchProcessing</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/CoreModel/pom.xml b/Plugins/CoreModel/pom.xml
index 9224119a9..1e6b48db7 100644
--- a/Plugins/CoreModel/pom.xml
+++ b/Plugins/CoreModel/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.CoreModel</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/FormatCsv/pom.xml b/Plugins/FormatCsv/pom.xml
index 98400432c..ec456ddce 100644
--- a/Plugins/FormatCsv/pom.xml
+++ b/Plugins/FormatCsv/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.FormatCsv</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/FormatDataArray/pom.xml b/Plugins/FormatDataArray/pom.xml
index acfaa5bb1..cef16c4f3 100644
--- a/Plugins/FormatDataArray/pom.xml
+++ b/Plugins/FormatDataArray/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.FormatDataArray</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/FormatGeoJson/pom.xml b/Plugins/FormatGeoJson/pom.xml
index b74893575..22382f92d 100644
--- a/Plugins/FormatGeoJson/pom.xml
+++ b/Plugins/FormatGeoJson/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.FormatGeoJson</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/ModelLoader/pom.xml b/Plugins/ModelLoader/pom.xml
index 444286f26..72c2721f1 100644
--- a/Plugins/ModelLoader/pom.xml
+++ b/Plugins/ModelLoader/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.ModelLoader</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/MultiDatastream/pom.xml b/Plugins/MultiDatastream/pom.xml
index e678b356b..60cf55f6c 100644
--- a/Plugins/MultiDatastream/pom.xml
+++ b/Plugins/MultiDatastream/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.MultiDatastream</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/OData/pom.xml b/Plugins/OData/pom.xml
index b20565851..89d74940a 100644
--- a/Plugins/OData/pom.xml
+++ b/Plugins/OData/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.OData</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/OpenApi/pom.xml b/Plugins/OpenApi/pom.xml
index 3157f7d29..43ca01033 100644
--- a/Plugins/OpenApi/pom.xml
+++ b/Plugins/OpenApi/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Plugins</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
     </parent>
     <artifactId>FROST-Server.Plugin.OpenApi</artifactId>
     <packaging>jar</packaging>
diff --git a/Plugins/pom.xml b/Plugins/pom.xml
index b00782821..7de011df5 100644
--- a/Plugins/pom.xml
+++ b/Plugins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/Tools/ModelEditor/pom.xml b/Tools/ModelEditor/pom.xml
index a9d746026..cc922722a 100644
--- a/Tools/ModelEditor/pom.xml
+++ b/Tools/ModelEditor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Tools</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/Tools/ModelExtractor/pom.xml b/Tools/ModelExtractor/pom.xml
index 36f1e9c76..96d4383dc 100644
--- a/Tools/ModelExtractor/pom.xml
+++ b/Tools/ModelExtractor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-Server.Tools</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/Tools/pom.xml b/Tools/pom.xml
index 87c27a90a..3ea0fe5e0 100644
--- a/Tools/pom.xml
+++ b/Tools/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
         <artifactId>FROST-ServerParent</artifactId>
-        <version>2.2.4-SNAPSHOT</version>
+        <version>2.2.4</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>FROST-Server.Tools</artifactId>
diff --git a/pom.xml b/pom.xml
index 679b9a6ab..d11601847 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>de.fraunhofer.iosb.ilt.FROST-Server</groupId>
     <artifactId>FROST-ServerParent</artifactId>
-    <version>2.2.4-SNAPSHOT</version>
+    <version>2.2.4</version>
     <packaging>pom</packaging>
 
     <name>FROST-ServerParent</name>
@@ -54,7 +54,7 @@
     <scm>
         <connection>scm:git:git://github.com/FraunhoferIOSB/SensorThingsServer.git</connection>
         <developerConnection>scm:git:ssh://github.com:FraunhoferIOSB/SensorThingsServer.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>v2.2.4</tag>
         <url>https://github.com/FraunhoferIOSB/FROST-Server/tree/v2.x</url>
     </scm>