diff --git a/bjornoya/pom.xml b/bjornoya/pom.xml
index d6a7348d2..a20cee847 100644
--- a/bjornoya/pom.xml
+++ b/bjornoya/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
 
     <artifactId>bjornoya</artifactId>
diff --git a/faroe/annotations/pom.xml b/faroe/annotations/pom.xml
index 0004e5a6a..56ad80c9f 100644
--- a/faroe/annotations/pom.xml
+++ b/faroe/annotations/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>faroe-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>faroe-annotations</artifactId>
     <name>52°North Faroe Annotations</name>
diff --git a/faroe/core/pom.xml b/faroe/core/pom.xml
index d52179e7d..b7b3b8af6 100644
--- a/faroe/core/pom.xml
+++ b/faroe/core/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>faroe-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>faroe</artifactId>
     <name>52°North Faroe</name>
diff --git a/faroe/json/pom.xml b/faroe/json/pom.xml
index a51a626c4..4b1abbf88 100644
--- a/faroe/json/pom.xml
+++ b/faroe/json/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>faroe-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>faroe-json</artifactId>
     <packaging>jar</packaging>
diff --git a/faroe/pom.xml b/faroe/pom.xml
index e4f1283c8..1962f26b1 100644
--- a/faroe/pom.xml
+++ b/faroe/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>faroe-parent</artifactId>
     <packaging>pom</packaging>
diff --git a/faroe/utils/pom.xml b/faroe/utils/pom.xml
index 5604391ca..a4badb1f3 100644
--- a/faroe/utils/pom.xml
+++ b/faroe/utils/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>faroe-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>faroe-utils</artifactId>
     <name>52°North Faroe Utilities</name>
diff --git a/iceland/core/pom.xml b/iceland/core/pom.xml
index f6de037e5..c0e0ae522 100644
--- a/iceland/core/pom.xml
+++ b/iceland/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>iceland-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
 
     <artifactId>iceland</artifactId>
diff --git a/iceland/pom.xml b/iceland/pom.xml
index 7ea7c14d6..736b07e26 100644
--- a/iceland/pom.xml
+++ b/iceland/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
 
     <artifactId>iceland-parent</artifactId>
diff --git a/iceland/statistics/core/pom.xml b/iceland/statistics/core/pom.xml
index 6c35eada2..94cea23c5 100644
--- a/iceland/statistics/core/pom.xml
+++ b/iceland/statistics/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>iceland-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/iceland/statistics/generator/pom.xml b/iceland/statistics/generator/pom.xml
index 49497f434..6c6275226 100644
--- a/iceland/statistics/generator/pom.xml
+++ b/iceland/statistics/generator/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>iceland-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/iceland/statistics/geolocation/pom.xml b/iceland/statistics/geolocation/pom.xml
index 0bb497e65..006c353f5 100644
--- a/iceland/statistics/geolocation/pom.xml
+++ b/iceland/statistics/geolocation/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>iceland-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/iceland/statistics/kibana/pom.xml b/iceland/statistics/kibana/pom.xml
index 812ab752c..d964a6b84 100644
--- a/iceland/statistics/kibana/pom.xml
+++ b/iceland/statistics/kibana/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>iceland-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/janmayen/pom.xml b/janmayen/pom.xml
index 0575231ca..147a7debe 100644
--- a/janmayen/pom.xml
+++ b/janmayen/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
 
     <artifactId>janmayen</artifactId>
diff --git a/pom.xml b/pom.xml
index ec0515124..8f27e8d15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
 
     <groupId>org.n52.arctic-sea</groupId>
     <artifactId>arctic-sea</artifactId>
-    <version>9.4.0-SNAPSHOT</version>
+    <version>9.4.0</version>
     <packaging>pom</packaging>
 
     <name>52°North Arctic Sea</name>
@@ -87,7 +87,7 @@
         <url>https://github.com/52North/arctic-sea</url>
         <connection>scm:git:https://github.com/52North/arctic-sea.git</connection>
         <developerConnection>scm:git:https://github.com/52North/arctic-sea.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>v9.4.0</tag>
     </scm>
 
     <issueManagement>
diff --git a/shetland/core/pom.xml b/shetland/core/pom.xml
index 83991d938..d8ae90960 100644
--- a/shetland/core/pom.xml
+++ b/shetland/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>shetland-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
 
     <artifactId>shetland</artifactId>
diff --git a/shetland/pom.xml b/shetland/pom.xml
index 2328edd15..6ccb8d788 100644
--- a/shetland/pom.xml
+++ b/shetland/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>shetland-parent</artifactId>
     <packaging>pom</packaging>
diff --git a/shetland/rdf/pom.xml b/shetland/rdf/pom.xml
index f6bc4b737..e495a6862 100644
--- a/shetland/rdf/pom.xml
+++ b/shetland/rdf/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>shetland-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>shetland-rdf</artifactId>
     <name>52°North Shetland RDF</name>
diff --git a/svalbard/core/pom.xml b/svalbard/core/pom.xml
index 5da7b100c..b8ba60e12 100644
--- a/svalbard/core/pom.xml
+++ b/svalbard/core/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>svalbard</artifactId>
     <name>52°North Svalbard Core</name>
diff --git a/svalbard/exi/pom.xml b/svalbard/exi/pom.xml
index 15aa55226..69179748b 100644
--- a/svalbard/exi/pom.xml
+++ b/svalbard/exi/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>svalbard-exi</artifactId>
     <name>52°North Svalbard Exi</name>
diff --git a/svalbard/json-common/pom.xml b/svalbard/json-common/pom.xml
index 681c3fe40..3c0ec2d49 100644
--- a/svalbard/json-common/pom.xml
+++ b/svalbard/json-common/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>svalbard-json-common</artifactId>
     <name>52°North Svalbard JSON Common</name>
diff --git a/svalbard/json/pom.xml b/svalbard/json/pom.xml
index 542ec2f3f..65d983e51 100644
--- a/svalbard/json/pom.xml
+++ b/svalbard/json/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>svalbard-json</artifactId>
     <name>52°North Svalbard JSON encoding</name>
diff --git a/svalbard/odata/pom.xml b/svalbard/odata/pom.xml
index f3cb9ccfa..0a03d260a 100644
--- a/svalbard/odata/pom.xml
+++ b/svalbard/odata/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>svalbard-odata</artifactId>
     <name>52°North Svalbard OData</name>
diff --git a/svalbard/pom.xml b/svalbard/pom.xml
index 63c7de3c7..6f39f091d 100644
--- a/svalbard/pom.xml
+++ b/svalbard/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>svalbard-parent</artifactId>
     <packaging>pom</packaging>
diff --git a/svalbard/xmlbeans/pom.xml b/svalbard/xmlbeans/pom.xml
index 7314ef99e..5ac74aaa5 100644
--- a/svalbard/xmlbeans/pom.xml
+++ b/svalbard/xmlbeans/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>svalbard-xmlbeans</artifactId>
     <name>52°North Svalbard XmlBeans</name>
diff --git a/svalbard/xmlstream/pom.xml b/svalbard/xmlstream/pom.xml
index 7ac704eb0..cbd19f8d6 100644
--- a/svalbard/xmlstream/pom.xml
+++ b/svalbard/xmlstream/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>9.4.0-SNAPSHOT</version>
+        <version>9.4.0</version>
     </parent>
     <artifactId>svalbard-xmlstream</artifactId>
     <name>52°North Svalbard XML Stream</name>