diff --git a/adapter-base/pom.xml b/adapter-base/pom.xml
index 889b6f482c..b200ee08ba 100644
--- a/adapter-base/pom.xml
+++ b/adapter-base/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
   <artifactId>hono-adapter-base</artifactId>
diff --git a/adapters/amqp/pom.xml b/adapters/amqp/pom.xml
index 45b4a3a87b..e90eefe597 100644
--- a/adapters/amqp/pom.xml
+++ b/adapters/amqp/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-adapters-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <artifactId>hono-adapter-amqp</artifactId>
diff --git a/adapters/coap/pom.xml b/adapters/coap/pom.xml
index 7f280bfc5a..59f7e4bb0e 100644
--- a/adapters/coap/pom.xml
+++ b/adapters/coap/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-adapters-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <artifactId>hono-adapter-coap</artifactId>
diff --git a/adapters/http-base/pom.xml b/adapters/http-base/pom.xml
index 375b81cca5..317c6d91b5 100644
--- a/adapters/http-base/pom.xml
+++ b/adapters/http-base/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-adapters</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-adapter-http-base</artifactId>
   <name>Hono HTTP Adapter base</name>
diff --git a/adapters/http/pom.xml b/adapters/http/pom.xml
index 83b9a19126..5472548953 100644
--- a/adapters/http/pom.xml
+++ b/adapters/http/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-adapters-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <artifactId>hono-adapter-http</artifactId>
diff --git a/adapters/lora/pom.xml b/adapters/lora/pom.xml
index cdea9cff39..f8caa506e1 100644
--- a/adapters/lora/pom.xml
+++ b/adapters/lora/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-adapters-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <artifactId>hono-adapter-lora</artifactId>
diff --git a/adapters/mqtt-base/pom.xml b/adapters/mqtt-base/pom.xml
index 15c6f48aef..f1dac96795 100644
--- a/adapters/mqtt-base/pom.xml
+++ b/adapters/mqtt-base/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-adapters</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-adapter-mqtt-base</artifactId>
   <name>Hono MQTT Adapter base</name>
diff --git a/adapters/mqtt/pom.xml b/adapters/mqtt/pom.xml
index 2f107f3970..6e757246ff 100644
--- a/adapters/mqtt/pom.xml
+++ b/adapters/mqtt/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-adapters-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <artifactId>hono-adapter-mqtt</artifactId>
diff --git a/adapters/parent/pom.xml b/adapters/parent/pom.xml
index 41d9dd00d1..9db7f12f74 100644
--- a/adapters/parent/pom.xml
+++ b/adapters/parent/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <artifactId>hono-adapters</artifactId>
     <groupId>org.eclipse.hono</groupId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <artifactId>hono-adapters-parent</artifactId>
diff --git a/adapters/pom.xml b/adapters/pom.xml
index b8eda63fd6..824858e3a7 100644
--- a/adapters/pom.xml
+++ b/adapters/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
 
diff --git a/adapters/sigfox/pom.xml b/adapters/sigfox/pom.xml
index af85551c67..602b12a130 100644
--- a/adapters/sigfox/pom.xml
+++ b/adapters/sigfox/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-adapters-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <artifactId>hono-adapter-sigfox</artifactId>
diff --git a/bom/pom.xml b/bom/pom.xml
index b02f78cd51..81f0418ecb 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
 
   <artifactId>hono-bom</artifactId>
diff --git a/cli/pom.xml b/cli/pom.xml
index 0c1daa3395..93b015d0f2 100644
--- a/cli/pom.xml
+++ b/cli/pom.xml
@@ -19,7 +19,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
 
diff --git a/client-device-connection-infinispan/pom.xml b/client-device-connection-infinispan/pom.xml
index db8a42d6d0..69de785b3f 100644
--- a/client-device-connection-infinispan/pom.xml
+++ b/client-device-connection-infinispan/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
   <artifactId>client-device-connection-infinispan</artifactId>
diff --git a/clients/amqp-common/pom.xml b/clients/amqp-common/pom.xml
index b2ac6afced..166bee44ce 100644
--- a/clients/amqp-common/pom.xml
+++ b/clients/amqp-common/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
     <artifactId>hono-client-amqp-common</artifactId>
 
diff --git a/clients/amqp-connection/pom.xml b/clients/amqp-connection/pom.xml
index b9305c5cc0..eb2561a973 100644
--- a/clients/amqp-connection/pom.xml
+++ b/clients/amqp-connection/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
     <artifactId>hono-client-amqp-connection</artifactId>
 
diff --git a/clients/application-amqp/pom.xml b/clients/application-amqp/pom.xml
index f75d040ac2..9f4fdb6294 100644
--- a/clients/application-amqp/pom.xml
+++ b/clients/application-amqp/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-application-amqp</artifactId>
 
diff --git a/clients/application-kafka/pom.xml b/clients/application-kafka/pom.xml
index 7caa93e21f..bf07458883 100644
--- a/clients/application-kafka/pom.xml
+++ b/clients/application-kafka/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-application-kafka</artifactId>
 
diff --git a/clients/application/pom.xml b/clients/application/pom.xml
index 049e436899..0d88986942 100644
--- a/clients/application/pom.xml
+++ b/clients/application/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-application</artifactId>
 
diff --git a/clients/client-common/pom.xml b/clients/client-common/pom.xml
index 467087ced6..02f8fd53ea 100644
--- a/clients/client-common/pom.xml
+++ b/clients/client-common/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-common</artifactId>
 
diff --git a/clients/command-amqp/pom.xml b/clients/command-amqp/pom.xml
index 1aa9806761..5c9b242ea1 100644
--- a/clients/command-amqp/pom.xml
+++ b/clients/command-amqp/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-command-amqp</artifactId>
 
diff --git a/clients/command-kafka/pom.xml b/clients/command-kafka/pom.xml
index ab79b24dbc..cf4078adff 100644
--- a/clients/command-kafka/pom.xml
+++ b/clients/command-kafka/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-command-kafka</artifactId>
 
diff --git a/clients/command/pom.xml b/clients/command/pom.xml
index 0cc3b7d4d6..bd9e557a03 100644
--- a/clients/command/pom.xml
+++ b/clients/command/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-command</artifactId>
 
diff --git a/clients/device-amqp/pom.xml b/clients/device-amqp/pom.xml
index 9cfa14f2ca..962e4bca24 100644
--- a/clients/device-amqp/pom.xml
+++ b/clients/device-amqp/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
     <artifactId>hono-client-device-amqp</artifactId>
 
diff --git a/clients/kafka-common/pom.xml b/clients/kafka-common/pom.xml
index 89bbe7ec70..3b1058b526 100644
--- a/clients/kafka-common/pom.xml
+++ b/clients/kafka-common/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-kafka-common</artifactId>
 
diff --git a/clients/notification-amqp/pom.xml b/clients/notification-amqp/pom.xml
index 3c67617766..e51dae3b71 100644
--- a/clients/notification-amqp/pom.xml
+++ b/clients/notification-amqp/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-notification-amqp</artifactId>
 
diff --git a/clients/notification-kafka/pom.xml b/clients/notification-kafka/pom.xml
index 5ae4d89fbb..a1dd2c56d5 100644
--- a/clients/notification-kafka/pom.xml
+++ b/clients/notification-kafka/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-notification-kafka</artifactId>
 
diff --git a/clients/notification/pom.xml b/clients/notification/pom.xml
index e939a0fde1..3f51916af1 100644
--- a/clients/notification/pom.xml
+++ b/clients/notification/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-notification</artifactId>
 
diff --git a/clients/pom.xml b/clients/pom.xml
index 7871d6ed68..914bf0363b 100644
--- a/clients/pom.xml
+++ b/clients/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
 
diff --git a/clients/registry-amqp/pom.xml b/clients/registry-amqp/pom.xml
index 0c03cf1993..0ea4118339 100644
--- a/clients/registry-amqp/pom.xml
+++ b/clients/registry-amqp/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-registry-amqp</artifactId>
 
diff --git a/clients/registry/pom.xml b/clients/registry/pom.xml
index a30ae2f580..88df5e51d8 100644
--- a/clients/registry/pom.xml
+++ b/clients/registry/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-registry</artifactId>
 
diff --git a/clients/telemetry-amqp/pom.xml b/clients/telemetry-amqp/pom.xml
index 06810509c3..90dfbfa988 100644
--- a/clients/telemetry-amqp/pom.xml
+++ b/clients/telemetry-amqp/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-telemetry-amqp</artifactId>
 
diff --git a/clients/telemetry-kafka/pom.xml b/clients/telemetry-kafka/pom.xml
index 41b63d8a84..588e559248 100644
--- a/clients/telemetry-kafka/pom.xml
+++ b/clients/telemetry-kafka/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-telemetry-kafka</artifactId>
 
diff --git a/clients/telemetry/pom.xml b/clients/telemetry/pom.xml
index d217a18cc7..bdd3aa4c1e 100644
--- a/clients/telemetry/pom.xml
+++ b/clients/telemetry/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-clients-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-client-telemetry</artifactId>
 
diff --git a/core/pom.xml b/core/pom.xml
index 823f1b84ff..35d463e1d7 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
 
diff --git a/demo-certs/pom.xml b/demo-certs/pom.xml
index a002e166f0..354b950b21 100644
--- a/demo-certs/pom.xml
+++ b/demo-certs/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-demo-certs</artifactId>
 
diff --git a/examples/hono-client-examples/pom.xml b/examples/hono-client-examples/pom.xml
index 3ecbaff9b2..87ed626cd0 100644
--- a/examples/hono-client-examples/pom.xml
+++ b/examples/hono-client-examples/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-example</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>..</relativePath>
   </parent>
 
diff --git a/examples/pom.xml b/examples/pom.xml
index 1b7985861d..729c435951 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
 
diff --git a/examples/protocol-gateway-example/pom.xml b/examples/protocol-gateway-example/pom.xml
index 2467af5bb0..079a24f78e 100644
--- a/examples/protocol-gateway-example/pom.xml
+++ b/examples/protocol-gateway-example/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-example</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>..</relativePath>
   </parent>
 
diff --git a/legal/pom.xml b/legal/pom.xml
index ed28c44ec3..a96d240ab3 100644
--- a/legal/pom.xml
+++ b/legal/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
   <artifactId>hono-legal</artifactId>
diff --git a/pom.xml b/pom.xml
index 2abca90fbd..fd396fd47e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
 
   <groupId>org.eclipse.hono</groupId>
   <artifactId>hono-parent</artifactId>
-  <version>2.1.1-SNAPSHOT</version>
+  <version>2.1.1</version>
   <packaging>pom</packaging>
 
   <name>Hono</name>
diff --git a/service-base/pom.xml b/service-base/pom.xml
index 4470dab3e3..4f0ab0f08b 100644
--- a/service-base/pom.xml
+++ b/service-base/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
   <artifactId>hono-service-base</artifactId>
diff --git a/services/auth-base/pom.xml b/services/auth-base/pom.xml
index 877de1d7be..178440a676 100644
--- a/services/auth-base/pom.xml
+++ b/services/auth-base/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-services</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>hono-service-auth-base</artifactId>
   <name>Hono Auth base</name>
diff --git a/services/auth/pom.xml b/services/auth/pom.xml
index cebe830dfb..db908154f0 100644
--- a/services/auth/pom.xml
+++ b/services/auth/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-services-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <artifactId>hono-service-auth</artifactId>
diff --git a/services/base-jdbc/pom.xml b/services/base-jdbc/pom.xml
index 34c71e826d..9233c91e5c 100644
--- a/services/base-jdbc/pom.xml
+++ b/services/base-jdbc/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../../bom</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/services/command-router/pom.xml b/services/command-router/pom.xml
index 4cccf46f56..c155640454 100644
--- a/services/command-router/pom.xml
+++ b/services/command-router/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-services-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <artifactId>hono-service-command-router</artifactId>
diff --git a/services/device-registry-base/pom.xml b/services/device-registry-base/pom.xml
index d0a8db228e..d240aac21c 100644
--- a/services/device-registry-base/pom.xml
+++ b/services/device-registry-base/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-services</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/services/device-registry-jdbc/pom.xml b/services/device-registry-jdbc/pom.xml
index 513a7b780a..e9a64807c3 100644
--- a/services/device-registry-jdbc/pom.xml
+++ b/services/device-registry-jdbc/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-services-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/services/device-registry-mongodb/pom.xml b/services/device-registry-mongodb/pom.xml
index 740aed5136..a9aee4739a 100644
--- a/services/device-registry-mongodb/pom.xml
+++ b/services/device-registry-mongodb/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-services-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../parent</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>
diff --git a/services/parent/pom.xml b/services/parent/pom.xml
index dd23aff4cc..d978a52e6a 100644
--- a/services/parent/pom.xml
+++ b/services/parent/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <artifactId>hono-services</artifactId>
     <groupId>org.eclipse.hono</groupId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <packaging>pom</packaging>
diff --git a/services/pom.xml b/services/pom.xml
index cb5c3f8cb4..a2491b84ac 100644
--- a/services/pom.xml
+++ b/services/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
 
diff --git a/site/pom.xml b/site/pom.xml
index 741fd334ff..b501042af9 100644
--- a/site/pom.xml
+++ b/site/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
 
diff --git a/test-utils/adapter-base-test-utils/pom.xml b/test-utils/adapter-base-test-utils/pom.xml
index eed1051283..e4b3bf88d7 100644
--- a/test-utils/adapter-base-test-utils/pom.xml
+++ b/test-utils/adapter-base-test-utils/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>test-utils</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>adapter-base-test-utils</artifactId>
 
diff --git a/test-utils/client-test-utils/pom.xml b/test-utils/client-test-utils/pom.xml
index 6e9925a308..ec20ab27af 100644
--- a/test-utils/client-test-utils/pom.xml
+++ b/test-utils/client-test-utils/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>test-utils</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>client-test-utils</artifactId>
 
diff --git a/test-utils/core-test-utils/pom.xml b/test-utils/core-test-utils/pom.xml
index 422e23b18b..35c6774e03 100644
--- a/test-utils/core-test-utils/pom.xml
+++ b/test-utils/core-test-utils/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>test-utils</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>core-test-utils</artifactId>
 
diff --git a/test-utils/kafka-test-utils/pom.xml b/test-utils/kafka-test-utils/pom.xml
index fe5a2a0bfa..5bba8be69a 100644
--- a/test-utils/kafka-test-utils/pom.xml
+++ b/test-utils/kafka-test-utils/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>test-utils</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>kafka-test-utils</artifactId>
 
diff --git a/test-utils/pom.xml b/test-utils/pom.xml
index afc02c1dd2..b652d1fdf3 100644
--- a/test-utils/pom.xml
+++ b/test-utils/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <artifactId>hono-bom</artifactId>
     <groupId>org.eclipse.hono</groupId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
   <artifactId>test-utils</artifactId>
diff --git a/tests/pom.xml b/tests/pom.xml
index e00b02e849..d3069f9447 100644
--- a/tests/pom.xml
+++ b/tests/pom.xml
@@ -16,7 +16,7 @@
   <parent>
     <groupId>org.eclipse.hono</groupId>
     <artifactId>hono-bom</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
     <relativePath>../bom</relativePath>
   </parent>
   <modelVersion>4.0.0</modelVersion>