diff --git a/mutiny-zero-flow-adapters/pom.xml b/mutiny-zero-flow-adapters/pom.xml
index 999c091..57fdaa1 100644
--- a/mutiny-zero-flow-adapters/pom.xml
+++ b/mutiny-zero-flow-adapters/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>mutiny-zero-parent</artifactId>
         <groupId>io.smallrye.reactive</groupId>
-        <version>0.4.0-SNAPSHOT</version>
+        <version>0.4.0</version>
     </parent>
 
     <artifactId>rs-flow-adapters</artifactId>
diff --git a/mutiny-zero-reactive-streams-junit5-tck/pom.xml b/mutiny-zero-reactive-streams-junit5-tck/pom.xml
index a7a7163..f924471 100644
--- a/mutiny-zero-reactive-streams-junit5-tck/pom.xml
+++ b/mutiny-zero-reactive-streams-junit5-tck/pom.xml
@@ -1,13 +1,11 @@
 <?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">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
         <artifactId>mutiny-zero-parent</artifactId>
         <groupId>io.smallrye.reactive</groupId>
-        <version>0.4.0-SNAPSHOT</version>
+        <version>0.4.0</version>
     </parent>
 
     <artifactId>mutiny-zero-reactive-streams-junit5-tck</artifactId>
diff --git a/mutiny-zero/pom.xml b/mutiny-zero/pom.xml
index 455713d..c2a234d 100644
--- a/mutiny-zero/pom.xml
+++ b/mutiny-zero/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.smallrye.reactive</groupId>
         <artifactId>mutiny-zero-parent</artifactId>
-        <version>0.4.0-SNAPSHOT</version>
+        <version>0.4.0</version>
     </parent>
 
     <artifactId>mutiny-zero</artifactId>
diff --git a/pom.xml b/pom.xml
index 1b6c734..67da483 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
     <groupId>io.smallrye.reactive</groupId>
     <artifactId>mutiny-zero-parent</artifactId>
     <name>SmallRye Mutiny Zero Parent</name>
-    <version>0.4.0-SNAPSHOT</version>
+    <version>0.4.0</version>
     <description>Mutiny Zero Parent Module</description>
 
     <packaging>pom</packaging>
@@ -54,7 +54,7 @@
         <connection>scm:git:git@github.com:smallrye/smallrye-mutiny-zero.git</connection>
         <developerConnection>scm:git:git@github.com:smallrye/smallrye-mutiny-zero.git</developerConnection>
         <url>https://github.com/smallrye/smallrye-mutiny-zero</url>
-        <tag>HEAD</tag>
+        <tag>0.4.0</tag>
     </scm>
 
     <properties>