diff --git a/api/README.md b/api/README.md
index 01ecce6c..199bb01d 100644
--- a/api/README.md
+++ b/api/README.md
@@ -8,7 +8,7 @@ For Maven based projects, use the following dependency:
 <dependency>
     <groupId>io.cloudevents</groupId>
     <artifactId>cloudevents-api</artifactId>
-    <version>2.0.0-milestone3</version>
+    <version>2.0.0-milestone4</version>
 </dependency>
 ```
 
diff --git a/api/pom.xml b/api/pom.xml
index e4948a1b..32ed4198 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
     </parent>
 
     <artifactId>cloudevents-api</artifactId>
diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 0e0a2f1d..218a8c08 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
     </parent>
 
     <artifactId>cloudevents-benchmarks</artifactId>
diff --git a/core/README.md b/core/README.md
index 8762fc2a..484c140d 100644
--- a/core/README.md
+++ b/core/README.md
@@ -12,7 +12,7 @@ For Maven based projects, use the following dependency:
 <dependency>
     <groupId>io.cloudevents</groupId>
     <artifactId>cloudevents-api</artifactId>
-    <version>2.0.0-milestone3</version>
+    <version>2.0.0-milestone4</version>
 </dependency>
 ```
 
diff --git a/core/pom.xml b/core/pom.xml
index d67433c7..0a4df6a4 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
     </parent>
 
     <artifactId>cloudevents-core</artifactId>
diff --git a/examples/basic-http/pom.xml b/examples/basic-http/pom.xml
index f3dfee17..eae6fa21 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/kafka/pom.xml b/examples/kafka/pom.xml
index ac485b49..fbbe7d78 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/pom.xml b/examples/pom.xml
index 2863c129..10d17d44 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cloudevents-parent</artifactId>
         <groupId>io.cloudevents</groupId>
-        <version>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/examples/restful-ws-quarkus/pom.xml b/examples/restful-ws-quarkus/pom.xml
index 3f6394cc..4b12ffba 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cloudevents-restful-ws-quarkus-example</artifactId>
diff --git a/examples/vertx/pom.xml b/examples/vertx/pom.xml
index 19527e2e..be2f3170 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/formats/json-jackson/README.md b/formats/json-jackson/README.md
index d98da545..ae669ecc 100644
--- a/formats/json-jackson/README.md
+++ b/formats/json-jackson/README.md
@@ -10,7 +10,7 @@ For Maven:
 <dependency>
     <groupId>io.cloudevents</groupId>
     <artifactId>cloudevents-json-jackson</artifactId>
-    <version>2.0.0-milestone3</version>
+    <version>2.0.0-milestone4</version>
 </dependency>
 ```
 
diff --git a/formats/json-jackson/pom.xml b/formats/json-jackson/pom.xml
index 1dfd6e59..ca849939 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
         <relativePath>../../</relativePath>
     </parent>
 
diff --git a/http/basic/README.md b/http/basic/README.md
index 9d3b065f..87b12348 100644
--- a/http/basic/README.md
+++ b/http/basic/README.md
@@ -18,7 +18,7 @@ For Maven based projects, use the following to configure the CloudEvents Generic
 <dependency>
     <groupId>io.cloudevents</groupId>
     <artifactId>cloudevents-http-basic</artifactId>
-    <version>2.0.0-milestone3</version>
+    <version>2.0.0-milestone4</version>
 </dependency>
 ```
 
diff --git a/http/basic/pom.xml b/http/basic/pom.xml
index 67d9e8c0..d79d2683 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
         <relativePath>../../</relativePath>
     </parent>
 
diff --git a/http/restful-ws-integration-tests/pom.xml b/http/restful-ws-integration-tests/pom.xml
index 14f93f7b..d69446dd 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
         <relativePath>../../</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 4237f966..259ac4e3 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</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 01ce69a6..e5d44c7e 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</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 a148a7a9..436a32a8 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</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 610c6059..88885995 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
         <relativePath>../</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/http/restful-ws/README.md b/http/restful-ws/README.md
index 9b4b24ea..f3c1d068 100644
--- a/http/restful-ws/README.md
+++ b/http/restful-ws/README.md
@@ -8,7 +8,7 @@ For Maven based projects, use the following to configure the CloudEvents Jakarta
 <dependency>
     <groupId>io.cloudevents</groupId>
     <artifactId>cloudevents-http-restful-ws</artifactId>
-    <version>2.0.0-milestone3</version>
+    <version>2.0.0-milestone4</version>
 </dependency>
 ```
 
diff --git a/http/restful-ws/pom.xml b/http/restful-ws/pom.xml
index 038f06f6..43e16d52 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
         <relativePath>../../</relativePath>
     </parent>
 
diff --git a/http/vertx/README.md b/http/vertx/README.md
index ebf29328..6f2a19c6 100644
--- a/http/vertx/README.md
+++ b/http/vertx/README.md
@@ -8,7 +8,7 @@ For Maven based projects, use the following to configure the CloudEvents Vertx H
 <dependency>
     <groupId>io.cloudevents</groupId>
     <artifactId>cloudevents-http-vertx</artifactId>
-    <version>2.0.0-milestone3</version>
+    <version>2.0.0-milestone4</version>
 </dependency>
 ```
 
diff --git a/http/vertx/pom.xml b/http/vertx/pom.xml
index 26ac20b0..83f5f665 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>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
         <relativePath>../../</relativePath>
     </parent>
 
diff --git a/kafka/README.md b/kafka/README.md
index fc35f4c2..566910a2 100644
--- a/kafka/README.md
+++ b/kafka/README.md
@@ -8,7 +8,7 @@ For Maven based projects, use the following to configure the [Kafka Protocol Bin
 <dependency>
     <groupId>io.cloudevents</groupId>
     <artifactId>cloudevents-kafka</artifactId>
-    <version>2.0.0-milestone3</version>
+    <version>2.0.0-milestone4</version>
 </dependency>
 ```
 
diff --git a/kafka/pom.xml b/kafka/pom.xml
index baa6ef4b..cac28952 100644
--- a/kafka/pom.xml
+++ b/kafka/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>io.cloudevents</groupId>
         <artifactId>cloudevents-parent</artifactId>
-        <version>2.0.0-SNAPSHOT</version>
+        <version>2.0.0-milestone4</version>
     </parent>
 
     <artifactId>cloudevents-kafka</artifactId>
diff --git a/pom.xml b/pom.xml
index 5b0e0f92..37a67ce0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
 
     <groupId>io.cloudevents</groupId>
     <artifactId>cloudevents-parent</artifactId>
-    <version>2.0.0-SNAPSHOT</version>
+    <version>2.0.0-milestone4</version>
     <packaging>pom</packaging>
 
     <name>CloudEvents</name>