diff --git a/core/pom.xml b/core/pom.xml
index 21974653..9152c6ee 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.zaubersoftware.gnip4j</groupId>
     <artifactId>zauber-gnip4j-parent</artifactId>
-    <version>2.2.0-SNAPSHOT</version>
+    <version>2.2.1</version>
   </parent>
   <groupId>com.zaubersoftware.gnip4j</groupId>
   <artifactId>gnip4j-core</artifactId>
diff --git a/documentation/pom.xml b/documentation/pom.xml
index 2bd81b94..eb21e5a3 100644
--- a/documentation/pom.xml
+++ b/documentation/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.zaubersoftware.gnip4j</groupId>
     <artifactId>zauber-gnip4j-parent</artifactId>
-    <version>2.2.0-SNAPSHOT</version>
+    <version>2.2.1</version>
   </parent>
   <groupId>com.zaubersoftware.gnip4j.documentation</groupId>
   <artifactId>gnip4j-documentation-parent</artifactId>
diff --git a/mock-server/pom.xml b/mock-server/pom.xml
index 7d569d75..e80bb2c8 100644
--- a/mock-server/pom.xml
+++ b/mock-server/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.zaubersoftware.gnip4j</groupId>
     <artifactId>zauber-gnip4j-parent</artifactId>
-    <version>2.2.0-SNAPSHOT</version>
+    <version>2.2.1</version>
   </parent>
   <groupId>com.zaubersoftware.gnip4j</groupId>
   <artifactId>gnip4j-mock-server</artifactId>
diff --git a/pom.xml b/pom.xml
index 36042e4d..0a39ce46 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
   </parent>
   <groupId>com.zaubersoftware.gnip4j</groupId>
   <artifactId>zauber-gnip4j-parent</artifactId>
-  <version>2.2.0-SNAPSHOT</version>
+  <version>2.2.1</version>
   <packaging>pom</packaging>
   <name>Zauber::Gnip4j</name>
   <modules>
@@ -276,7 +276,7 @@
   <scm>
     <connection>scm:git:git@github.com:zaubersoftware/gnip4j.git</connection>
     <developerConnection>scm:git:git@github.com:zaubersoftware/gnip4j.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>2.2.1</tag>
     <url>https://github.com/zaubersoftware/gnip4j</url>
   </scm>
   <issueManagement>