diff --git a/faroe/annotations/pom.xml b/faroe/annotations/pom.xml
index eab4fdd1a..e75a2e1a5 100644
--- a/faroe/annotations/pom.xml
+++ b/faroe/annotations/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>faroe-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</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 f1bfb9026..163e60f56 100644
--- a/faroe/core/pom.xml
+++ b/faroe/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>faroe-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
     <artifactId>faroe</artifactId>
     <name>52°North Faroe</name>
diff --git a/faroe/json/pom.xml b/faroe/json/pom.xml
index fcde33109..2572c31d6 100644
--- a/faroe/json/pom.xml
+++ b/faroe/json/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>faroe-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
     <artifactId>faroe-json</artifactId>
     <packaging>jar</packaging>
diff --git a/faroe/pom.xml b/faroe/pom.xml
index 767fb9d3b..9ed93c541 100644
--- a/faroe/pom.xml
+++ b/faroe/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
     <artifactId>faroe-parent</artifactId>
     <packaging>pom</packaging>
diff --git a/faroe/utils/pom.xml b/faroe/utils/pom.xml
index 69b09fc75..f47c3fb1e 100644
--- a/faroe/utils/pom.xml
+++ b/faroe/utils/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>faroe-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</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 6d29ac72a..3243fec42 100644
--- a/iceland/core/pom.xml
+++ b/iceland/core/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>iceland-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
 
     <artifactId>iceland</artifactId>
diff --git a/iceland/pom.xml b/iceland/pom.xml
index 4b63ee854..387c2fe34 100644
--- a/iceland/pom.xml
+++ b/iceland/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
 
     <artifactId>iceland-parent</artifactId>
diff --git a/iceland/statistics/core/pom.xml b/iceland/statistics/core/pom.xml
index acae88a30..98bc41a0b 100644
--- a/iceland/statistics/core/pom.xml
+++ b/iceland/statistics/core/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>iceland-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/iceland/statistics/generator/pom.xml b/iceland/statistics/generator/pom.xml
index 58cd4077c..17b151805 100644
--- a/iceland/statistics/generator/pom.xml
+++ b/iceland/statistics/generator/pom.xml
@@ -23,7 +23,7 @@
 	<parent>
 		<groupId>org.n52.arctic-sea</groupId>
 		<artifactId>iceland-parent</artifactId>
-		<version>3.1.0-SNAPSHOT</version>
+		<version>3.1.0</version>
 		<relativePath>../..</relativePath>
 	</parent>
 
diff --git a/iceland/statistics/geolocation/pom.xml b/iceland/statistics/geolocation/pom.xml
index 8fa4885b9..a20f296cd 100644
--- a/iceland/statistics/geolocation/pom.xml
+++ b/iceland/statistics/geolocation/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>iceland-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/iceland/statistics/kibana/pom.xml b/iceland/statistics/kibana/pom.xml
index ef1c908a7..3a3795df0 100644
--- a/iceland/statistics/kibana/pom.xml
+++ b/iceland/statistics/kibana/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>iceland-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
         <relativePath>../..</relativePath>
     </parent>
 
diff --git a/janmayen/pom.xml b/janmayen/pom.xml
index 6d10efa48..b71795596 100644
--- a/janmayen/pom.xml
+++ b/janmayen/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
 
     <artifactId>janmayen</artifactId>
diff --git a/pom.xml b/pom.xml
index 85a05bab0..d33ff0bb4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.n52.arctic-sea</groupId>
     <artifactId>arctic-sea</artifactId>
-    <version>3.1.0-SNAPSHOT</version>
+    <version>3.1.0</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>v3.1.0</tag>
     </scm>
 
     <issueManagement>
diff --git a/shetland/pom.xml b/shetland/pom.xml
index c052a1413..037991285 100644
--- a/shetland/pom.xml
+++ b/shetland/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
 
     <artifactId>shetland</artifactId>
diff --git a/svalbard/core/pom.xml b/svalbard/core/pom.xml
index 0cb11d5b1..763c6b711 100644
--- a/svalbard/core/pom.xml
+++ b/svalbard/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
     <artifactId>svalbard</artifactId>
     <name>52°North Svalbard Core</name>
diff --git a/svalbard/exi/pom.xml b/svalbard/exi/pom.xml
index 465663ebf..cd85382b5 100644
--- a/svalbard/exi/pom.xml
+++ b/svalbard/exi/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</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 2fe3b711f..ec66493c1 100644
--- a/svalbard/json-common/pom.xml
+++ b/svalbard/json-common/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</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 366476c94..514f3632d 100644
--- a/svalbard/json/pom.xml
+++ b/svalbard/json/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</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 5c839e5e5..7fba3c1f4 100644
--- a/svalbard/odata/pom.xml
+++ b/svalbard/odata/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
     <artifactId>svalbard-odata</artifactId>
     <name>52°North Svalbard OData</name>
diff --git a/svalbard/pom.xml b/svalbard/pom.xml
index 9eb247e58..d539f01cb 100644
--- a/svalbard/pom.xml
+++ b/svalbard/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>arctic-sea</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
     <artifactId>svalbard-parent</artifactId>
     <packaging>pom</packaging>
diff --git a/svalbard/xmlbeans/pom.xml b/svalbard/xmlbeans/pom.xml
index 63a4a41db..c21237f3c 100644
--- a/svalbard/xmlbeans/pom.xml
+++ b/svalbard/xmlbeans/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</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 0f00ca2db..b4f4efb10 100644
--- a/svalbard/xmlstream/pom.xml
+++ b/svalbard/xmlstream/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.n52.arctic-sea</groupId>
         <artifactId>svalbard-parent</artifactId>
-        <version>3.1.0-SNAPSHOT</version>
+        <version>3.1.0</version>
     </parent>
     <artifactId>svalbard-xmlstream</artifactId>
     <name>52°North Svalbard XML Stream</name>