diff --git a/examples/pom.xml b/examples/pom.xml
index 62d5e26..c8f2dfc 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>jakarta.ws.rs</groupId>
         <artifactId>all</artifactId>
-        <version>3.1.0</version>
+        <version>4.0.0-SNAPSHOT</version>
     </parent>
 
     <url>https://github.com/jax-rs/api</url>
diff --git a/jaxrs-api/pom.xml b/jaxrs-api/pom.xml
index af83d85..7ba8ef4 100644
--- a/jaxrs-api/pom.xml
+++ b/jaxrs-api/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>jakarta.ws.rs</groupId>
         <artifactId>all</artifactId>
-        <version>3.1.0</version>
+        <version>4.0.0-SNAPSHOT</version>
     </parent>
 
     <url>https://github.com/jakartaee/rest</url>
@@ -395,7 +395,7 @@
         <api.package>jakarta.ws.rs</api.package>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <skip.release.tests>false</skip.release.tests>
-        <spec.version>3.1</spec.version>
+        <spec.version>4.0</spec.version>
         <spec.version.revision /> <!-- e.g. (Rev a) -->
 
         <jaxb.api.version>4.0.0</jaxb.api.version>
diff --git a/jaxrs-spec/pom.xml b/jaxrs-spec/pom.xml
index 7395c62..7125815 100644
--- a/jaxrs-spec/pom.xml
+++ b/jaxrs-spec/pom.xml
@@ -27,7 +27,7 @@
     <parent>
         <groupId>jakarta.ws.rs</groupId>
         <artifactId>all</artifactId>
-        <version>3.1.0</version>
+        <version>4.0.0-SNAPSHOT</version>
     </parent>
 
     <properties>
diff --git a/jaxrs-spec/src/main/asciidoc/chapters/introduction/_status.adoc b/jaxrs-spec/src/main/asciidoc/chapters/introduction/_status.adoc
index f5eb9be..57139dc 100644
--- a/jaxrs-spec/src/main/asciidoc/chapters/introduction/_status.adoc
+++ b/jaxrs-spec/src/main/asciidoc/chapters/introduction/_status.adoc
@@ -11,14 +11,14 @@
 [[status]]
 === Status
 
-This is the final release of version 3.1. The issue tracking system for
+This is the final release of version 3.2. The issue tracking system for
 this release can be found at:
 
 https://github.com/jakartaee/rest/issues
 
 The corresponding Javadocs can be found online at:
 
-https://jakarta.ee/specifications/restful-ws/3.1/apidocs/
+https://jakarta.ee/specifications/restful-ws/4.0/apidocs/
 
 A compatible implementation can be obtained from:
 
diff --git a/jaxrs-tck-docs/tckbundle.sh b/jaxrs-tck-docs/tckbundle.sh
index b05559b..150dd6b 100644
--- a/jaxrs-tck-docs/tckbundle.sh
+++ b/jaxrs-tck-docs/tckbundle.sh
@@ -23,7 +23,7 @@
 export VERSION="$2"
 
 if [ -z "$VERSION" ]; then
-  export VERSION="3.1.2"
+  export VERSION="4.0.0-SNAPSHOT"
 fi
 
 if [[ "$1" == "epl" || "$1" == "EPL" ]]; then
diff --git a/jaxrs-tck-docs/userguide/pom.xml b/jaxrs-tck-docs/userguide/pom.xml
index 7f7c9a9..7bad432 100644
--- a/jaxrs-tck-docs/userguide/pom.xml
+++ b/jaxrs-tck-docs/userguide/pom.xml
@@ -27,8 +27,8 @@
     <groupId>org.glassfish</groupId>
     <artifactId>tck_jaxrs</artifactId>
     <packaging>pom</packaging>
-    <version>3.1.2</version>
-    <name>Eclipse Foundation Technology Compatibility Kit User's Guide for Jakarta RESTful Web Services for Jakarta EE, Release 3.1</name>
+    <version>4.0.0-SNAPSHOT</version>
+    <name>Eclipse Foundation Technology Compatibility Kit User's Guide for Jakarta RESTful Web Services for Jakarta EE, Release 4.0</name>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/jaxrs-tck/pom.xml b/jaxrs-tck/pom.xml
index dc28fcc..92c048b 100644
--- a/jaxrs-tck/pom.xml
+++ b/jaxrs-tck/pom.xml
@@ -26,12 +26,12 @@
     <name>Jakarta RESTful WS TCK</name>
     <description>Technology Compatibility Kit for Jakarta RESTful Web Services</description>
     <url>https://github.com/jakartaee/rest</url>
-    <version>3.1.2</version>
+    <version>4.0.0-SNAPSHOT</version>
 
     <parent>
         <groupId>jakarta.ws.rs</groupId>
         <artifactId>all</artifactId>
-        <version>3.1.0</version>
+        <version>4.0.0-SNAPSHOT</version>
     </parent>
 
     <properties>
diff --git a/jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/jakarta.ws.rs.sig_3.1.0 b/jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/jakarta.ws.rs.sig_4.0.0
similarity index 99%
rename from jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/jakarta.ws.rs.sig_3.1.0
rename to jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/jakarta.ws.rs.sig_4.0.0
index 9838fc9..6995893 100644
--- a/jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/jakarta.ws.rs.sig_3.1.0
+++ b/jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/jakarta.ws.rs.sig_4.0.0
@@ -1,5 +1,5 @@
 #Signature file v4.1
-#Version 3.1.0
+#Version 4.0.0
 
 CLSS public abstract interface !annotation jakarta.ws.rs.ApplicationPath
  anno 0 java.lang.annotation.Documented()
diff --git a/jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/sig-test.map b/jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/sig-test.map
index 895b2be..2d86284 100644
--- a/jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/sig-test.map
+++ b/jaxrs-tck/src/main/resources/ee/jakarta/tck/ws/rs/signaturetest/sig-test.map
@@ -17,4 +17,4 @@
 ###############################################################
 # The signature test mapping file for the JAX-RS TCK.
 ###############################################################
-jakarta.ws.rs=3.1.0
+jakarta.ws.rs=4.0.0
diff --git a/jersey-tck/pom.xml b/jersey-tck/pom.xml
index 5ab7e8b..3a15754 100644
--- a/jersey-tck/pom.xml
+++ b/jersey-tck/pom.xml
@@ -22,13 +22,13 @@
 
     <groupId>org.glassfish.jersey.core</groupId>
     <artifactId>jersey-tck</artifactId>
-    <version>3.1.2</version>
+    <version>4.0.0-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <parent>
         <groupId>jakarta.ws.rs</groupId>
         <artifactId>all</artifactId>
-        <version>3.1.0</version>
+        <version>4.0.0-SNAPSHOT</version>
     </parent>
 
     <name>Jakarta RESTful WS Compliance</name>
@@ -42,7 +42,7 @@
         <glassfish.home>${project.build.directory}/glassfish6</glassfish.home>
         <jakarta.platform.version>10.0.0-RC1</jakarta.platform.version>
         <junit.jupiter.version>5.7.2</junit.jupiter.version>
-        <jakarta.rest.version>3.1.0</jakarta.rest.version>
+        <jakarta.rest.version>4.0.0-SNAPSHOT</jakarta.rest.version>
         <tck.artifactId>jakarta-restful-ws-tck</tck.artifactId>
     </properties>
 
diff --git a/pom.xml b/pom.xml
index e8bf766..440d3c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
 
     <groupId>jakarta.ws.rs</groupId>
     <artifactId>all</artifactId>
-    <version>3.1.0</version>
+    <version>4.0.0-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>Jakarta RESTful WS Project</name>