diff --git a/core/pom.xml b/core/pom.xml
index a864c94b..0e4762dd 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.nanohttpd</groupId>
 		<artifactId>nanohttpd-project</artifactId>
-		<version>2.2.0-SNAPSHOT</version>
+		<version>2.2.0</version>
 	</parent>
 	<artifactId>nanohttpd</artifactId>
 	<packaging>jar</packaging>
diff --git a/fileupload/pom.xml b/fileupload/pom.xml
index c1911f54..a90469af 100644
--- a/fileupload/pom.xml
+++ b/fileupload/pom.xml
@@ -1,10 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<parent>
 		<artifactId>nanohttpd-project</artifactId>
 		<groupId>org.nanohttpd</groupId>
-		<version>2.2.0-SNAPSHOT</version>
+		<version>2.2.0</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>nanohttpd-apache-fileupload</artifactId>
@@ -14,7 +13,7 @@
 		<dependency>
 			<groupId>org.nanohttpd</groupId>
 			<artifactId>nanohttpd</artifactId>
-			<version>2.2.0-SNAPSHOT</version>
+			<version>2.2.0</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
diff --git a/markdown-plugin/pom.xml b/markdown-plugin/pom.xml
index 6b7ad7a6..64518c18 100644
--- a/markdown-plugin/pom.xml
+++ b/markdown-plugin/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.nanohttpd</groupId>
 		<artifactId>nanohttpd-project</artifactId>
-		<version>2.2.0-SNAPSHOT</version>
+		<version>2.2.0</version>
 	</parent>
 	<artifactId>nanohttpd-webserver-markdown-plugin</artifactId>
 	<packaging>jar</packaging>
diff --git a/nanolets/pom.xml b/nanolets/pom.xml
index 9b88e058..67507288 100644
--- a/nanolets/pom.xml
+++ b/nanolets/pom.xml
@@ -1,10 +1,9 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.nanohttpd</groupId>
 		<artifactId>nanohttpd-project</artifactId>
-		<version>2.2.0-SNAPSHOT</version>
+		<version>2.2.0</version>
 	</parent>
 	<artifactId>nanohttpd-nanolets</artifactId>
 	<packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index 93343154..bba5b10c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,4 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.sonatype.oss</groupId>
@@ -8,7 +7,7 @@
 	</parent>
 	<groupId>org.nanohttpd</groupId>
 	<artifactId>nanohttpd-project</artifactId>
-	<version>2.2.0-SNAPSHOT</version>
+	<version>2.2.0</version>
 	<packaging>pom</packaging>
 	<name>NanoHttpd-Project</name>
 	<description>NanoHttpd is a light-weight HTTP server designed for embedding in other applications.</description>
@@ -17,7 +16,7 @@
 		<connection>scm:git:https://github.com/NanoHttpd/nanohttpd.git</connection>
 		<developerConnection>scm:git:https://github.com/NanoHttpd/nanohttpd.git</developerConnection>
 		<url>https://github.com/NanoHttpd/nanohttpd</url>
-		<tag>HEAD</tag>
+		<tag>nanohttpd-project-2.2.0</tag>
 	</scm>
 	<organization>
 		<name>nanohttpd</name>
diff --git a/samples/pom.xml b/samples/pom.xml
index f0d780a3..63e8f7bd 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -1,10 +1,9 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.nanohttpd</groupId>
 		<artifactId>nanohttpd-project</artifactId>
-		<version>2.2.0-SNAPSHOT</version>
+		<version>2.2.0</version>
 	</parent>
 	<artifactId>nanohttpd-samples</artifactId>
 	<description>samples for nanohttpd</description>
diff --git a/webserver/pom.xml b/webserver/pom.xml
index 53b4e62f..18fd9a4b 100644
--- a/webserver/pom.xml
+++ b/webserver/pom.xml
@@ -1,10 +1,9 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.nanohttpd</groupId>
 		<artifactId>nanohttpd-project</artifactId>
-		<version>2.2.0-SNAPSHOT</version>
+		<version>2.2.0</version>
 	</parent>
 	<artifactId>nanohttpd-webserver</artifactId>
 	<packaging>jar</packaging>
diff --git a/websocket/pom.xml b/websocket/pom.xml
index 0be151f0..4f66283d 100644
--- a/websocket/pom.xml
+++ b/websocket/pom.xml
@@ -1,10 +1,9 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.nanohttpd</groupId>
 		<artifactId>nanohttpd-project</artifactId>
-		<version>2.2.0-SNAPSHOT</version>
+		<version>2.2.0</version>
 	</parent>
 	<artifactId>nanohttpd-websocket</artifactId>
 	<packaging>jar</packaging>