diff --git a/amqp/pom.xml b/amqp/pom.xml
index 84b32b94..5d2ff8db 100644
--- a/amqp/pom.xml
+++ b/amqp/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.cloudevents</groupId>
 		<artifactId>cloudevents-parent</artifactId>
-		<version>2.1.0</version>
+		<version>2.2.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>cloudevents-amqp-proton</artifactId>
diff --git a/api/pom.xml b/api/pom.xml
index 5326e2b2..4ff6d378 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>cloudevents-api</artifactId>
diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 43110582..9a30b127 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>cloudevents-benchmarks</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index 40cb3953..6e7af24f 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>cloudevents-core</artifactId>
diff --git a/examples/amqp-proton/pom.xml b/examples/amqp-proton/pom.xml
index 37711f8c..10364563 100644
--- a/examples/amqp-proton/pom.xml
+++ b/examples/amqp-proton/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>cloudevents-examples</artifactId>
     <groupId>io.cloudevents</groupId>
-    <version>2.1.0</version>
+    <version>2.2.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/basic-http/pom.xml b/examples/basic-http/pom.xml
index e24f9d80..f7622f35 100644
--- a/examples/basic-http/pom.xml
+++ b/examples/basic-http/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>cloudevents-examples</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/kafka/pom.xml b/examples/kafka/pom.xml
index c9e42fc3..66aadf81 100644
--- a/examples/kafka/pom.xml
+++ b/examples/kafka/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-examples</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/pom.xml b/examples/pom.xml
index 9dc0a589..94f2945f 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-parent</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/restful-ws-quarkus/pom.xml b/examples/restful-ws-quarkus/pom.xml
index 61b48050..552c1825 100644
--- a/examples/restful-ws-quarkus/pom.xml
+++ b/examples/restful-ws-quarkus/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-examples</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cloudevents-restful-ws-quarkus-example</artifactId>
diff --git a/examples/restful-ws-spring-boot/pom.xml b/examples/restful-ws-spring-boot/pom.xml
index fb13ef16..150164de 100644
--- a/examples/restful-ws-spring-boot/pom.xml
+++ b/examples/restful-ws-spring-boot/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-examples</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/spring-function/pom.xml b/examples/spring-function/pom.xml
index 8f958af2..6d1b24cd 100644
--- a/examples/spring-function/pom.xml
+++ b/examples/spring-function/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-examples</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/spring-reactive/pom.xml b/examples/spring-reactive/pom.xml
index 424d55b5..1f0dd742 100644
--- a/examples/spring-reactive/pom.xml
+++ b/examples/spring-reactive/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-examples</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/spring-rsocket/pom.xml b/examples/spring-rsocket/pom.xml
index c7d90dec..bc3c7cee 100644
--- a/examples/spring-rsocket/pom.xml
+++ b/examples/spring-rsocket/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-examples</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/vertx/pom.xml b/examples/vertx/pom.xml
index c54b5582..501796bb 100644
--- a/examples/vertx/pom.xml
+++ b/examples/vertx/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-examples</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/formats/json-jackson/pom.xml b/formats/json-jackson/pom.xml
index e199b258..dc0ce974 100644
--- a/formats/json-jackson/pom.xml
+++ b/formats/json-jackson/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/formats/protobuf/pom.xml b/formats/protobuf/pom.xml
index 2081e6c6..6c5e5dc5 100644
--- a/formats/protobuf/pom.xml
+++ b/formats/protobuf/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/http/basic/pom.xml b/http/basic/pom.xml
index 6aa5ae7b..5ef1cc95 100644
--- a/http/basic/pom.xml
+++ b/http/basic/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/http/restful-ws-integration-tests/pom.xml b/http/restful-ws-integration-tests/pom.xml
index a1b8f98d..be5f6dde 100644
--- a/http/restful-ws-integration-tests/pom.xml
+++ b/http/restful-ws-integration-tests/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>cloudevents-parent</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/http/restful-ws-integration-tests/restful-ws-common/pom.xml b/http/restful-ws-integration-tests/restful-ws-common/pom.xml
index ef0c4b22..0613f39b 100644
--- a/http/restful-ws-integration-tests/restful-ws-common/pom.xml
+++ b/http/restful-ws-integration-tests/restful-ws-common/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>cloudevents-http-restful-ws-integration-tests</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/http/restful-ws-integration-tests/restful-ws-jersey/pom.xml b/http/restful-ws-integration-tests/restful-ws-jersey/pom.xml
index b0b628f7..a3a29018 100644
--- a/http/restful-ws-integration-tests/restful-ws-jersey/pom.xml
+++ b/http/restful-ws-integration-tests/restful-ws-jersey/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>cloudevents-http-restful-ws-integration-tests</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/http/restful-ws-integration-tests/restful-ws-resteasy/pom.xml b/http/restful-ws-integration-tests/restful-ws-resteasy/pom.xml
index 764d6edb..d8d0c409 100644
--- a/http/restful-ws-integration-tests/restful-ws-resteasy/pom.xml
+++ b/http/restful-ws-integration-tests/restful-ws-resteasy/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>cloudevents-http-restful-ws-integration-tests</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/http/restful-ws-integration-tests/restful-ws-spring/pom.xml b/http/restful-ws-integration-tests/restful-ws-spring/pom.xml
index f1087004..e2a3c509 100644
--- a/http/restful-ws-integration-tests/restful-ws-spring/pom.xml
+++ b/http/restful-ws-integration-tests/restful-ws-spring/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>cloudevents-http-restful-ws-integration-tests</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/http/restful-ws/pom.xml b/http/restful-ws/pom.xml
index 8eb9441b..cd2bcbbf 100644
--- a/http/restful-ws/pom.xml
+++ b/http/restful-ws/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/http/vertx/pom.xml b/http/vertx/pom.xml
index 2035f475..ff27382b 100644
--- a/http/vertx/pom.xml
+++ b/http/vertx/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/kafka/pom.xml b/kafka/pom.xml
index 878596ef..f86d2539 100644
--- a/kafka/pom.xml
+++ b/kafka/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>cloudevents-kafka</artifactId>
diff --git a/pom.xml b/pom.xml
index 19abd428..678c52be 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
 
     <groupId>io.cloudevents</groupId>
     <artifactId>cloudevents-parent</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>CloudEvents</name>
diff --git a/spring/pom.xml b/spring/pom.xml
index 8d3759f4..101acf51 100644
--- a/spring/pom.xml
+++ b/spring/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>cloudevents-spring</artifactId>
diff --git a/sql/pom.xml b/sql/pom.xml
index 4fa9056c..1bb80b3e 100644
--- a/sql/pom.xml
+++ b/sql/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-parent</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.1.0</version>
+        <version>2.2.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>