diff --git a/api/pom.xml b/api/pom.xml
index 30e82d08..08455b07 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -20,7 +20,7 @@
         <!-- This is just for now and will not work if the API has a separate release cycle than the rest. -->
         <groupId>org.eclipse.microprofile.openapi</groupId>
         <artifactId>microprofile-openapi-parent</artifactId>
-        <version>4.0-SNAPSHOT</version>
+        <version>4.0-RC4</version>
     </parent>
 
     <artifactId>microprofile-openapi-api</artifactId>
diff --git a/pom.xml b/pom.xml
index 7299cbbb..242dd590 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 
     <groupId>org.eclipse.microprofile.openapi</groupId>
     <artifactId>microprofile-openapi-parent</artifactId>
-    <version>4.0-SNAPSHOT</version>
+    <version>4.0-RC4</version>
     <packaging>pom</packaging>
     <name>MicroProfile OpenAPI</name>
     <description>Eclipse MicroProfile OpenAPI</description>
@@ -58,7 +58,7 @@
         <url>https://github.com/eclipse/microprofile-open-api</url>
         <connection>scm:git:https://github.com/eclipse/microprofile-open-api.git</connection>
         <developerConnection>scm:git:git@github.com:eclipse/microprofile-open-api.git</developerConnection>
-        <tag>3.1-SNAPSHOT</tag>
+        <tag>4.0-RC4</tag>
     </scm>
 
     <issueManagement>
diff --git a/spec/pom.xml b/spec/pom.xml
index 33695577..e45c85a3 100644
--- a/spec/pom.xml
+++ b/spec/pom.xml
@@ -20,7 +20,7 @@
         <!-- This is just for now and will not work if the API has a separate release cycle than the rest. -->
         <groupId>org.eclipse.microprofile.openapi</groupId>
         <artifactId>microprofile-openapi-parent</artifactId>
-        <version>4.0-SNAPSHOT</version>
+        <version>4.0-RC4</version>
     </parent>
 
     <artifactId>microprofile-openapi-spec</artifactId>
diff --git a/spi/pom.xml b/spi/pom.xml
index bc08375e..0eac66c0 100644
--- a/spi/pom.xml
+++ b/spi/pom.xml
@@ -20,7 +20,7 @@
         <!-- This is just for now and will not work if the API has a separate release cycle than the rest. -->
         <groupId>org.eclipse.microprofile.openapi</groupId>
         <artifactId>microprofile-openapi-parent</artifactId>
-        <version>4.0-SNAPSHOT</version>
+        <version>4.0-RC4</version>
     </parent>
 
     <artifactId>microprofile-openapi-spi</artifactId>
diff --git a/tck/pom.xml b/tck/pom.xml
index dd664bb3..bee17b64 100644
--- a/tck/pom.xml
+++ b/tck/pom.xml
@@ -20,7 +20,7 @@
         <!-- This is just for now and will not work if the API has a separate release cycle than the rest. -->
         <groupId>org.eclipse.microprofile.openapi</groupId>
         <artifactId>microprofile-openapi-parent</artifactId>
-        <version>4.0-SNAPSHOT</version>
+        <version>4.0-RC4</version>
     </parent>
 
     <artifactId>microprofile-openapi-tck</artifactId>