diff --git a/client/pom.xml b/client/pom.xml
index 0a71440b4..e53d57aff 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -7,7 +7,8 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-client</artifactId>
 
diff --git a/common/pom.xml b/common/pom.xml
index e4c01920e..d1416b59a 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -7,7 +7,8 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-common</artifactId>
 
diff --git a/examples/helloworld/client/pom.xml b/examples/helloworld/client/pom.xml
index 8edb46cb6..8f419c1d0 100644
--- a/examples/helloworld/client/pom.xml
+++ b/examples/helloworld/client/pom.xml
@@ -7,7 +7,8 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-examples-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <artifactId>a2a-java-sdk-examples-client</artifactId>
diff --git a/examples/helloworld/pom.xml b/examples/helloworld/pom.xml
index d026edb21..82238e699 100644
--- a/examples/helloworld/pom.xml
+++ b/examples/helloworld/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/examples/helloworld/server/pom.xml b/examples/helloworld/server/pom.xml
index 3a051dbab..858187b16 100644
--- a/examples/helloworld/server/pom.xml
+++ b/examples/helloworld/server/pom.xml
@@ -7,7 +7,8 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-examples-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <artifactId>a2a-java-sdk-examples-server</artifactId>
diff --git a/pom.xml b/pom.xml
index 0a3bfba88..882b1e1ce 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>io.github.a2asdk</groupId>
     <artifactId>a2a-java-sdk-parent</artifactId>
-    <version>0.2.6.Beta1-SNAPSHOT</version>
+    <version>${revision}</version>
 
     <packaging>pom</packaging>
 
@@ -38,6 +38,7 @@
 
 
     <properties>
+        <revision>0.2.6.Beta1-SNAPSHOT</revision>
         <grpc.version>1.73.0</grpc.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven-clean-plugin.version>3.5.0</maven-clean-plugin.version>
@@ -47,6 +48,7 @@
         <maven-surefire-plugin.version>3.1.2</maven-surefire-plugin.version>
         <maven-javadoc-plugin.version>3.8.0</maven-javadoc-plugin.version>
         <maven-gpg-plugin.version>3.2.4</maven-gpg-plugin.version>
+        <flatten-maven-plugin.version>1.5.0</flatten-maven-plugin.version>
         <sonatype-central-publishing-plugin.version>0.8.0</sonatype-central-publishing-plugin.version>
         <jackson.version>2.17.0</jackson.version>
         <jakarta.enterprise.cdi-api.version>4.1.0</jakarta.enterprise.cdi-api.version>
@@ -260,6 +262,31 @@
                             </execution>
                     </executions>
                 </plugin>
+                <plugin>
+                    <groupId>org.codehaus.mojo</groupId>
+                    <artifactId>flatten-maven-plugin</artifactId>
+                    <version>${flatten-maven-plugin.version}</version>
+                    <configuration>
+                        <updatePomFile>true</updatePomFile>
+                        <flattenMode>ossrh</flattenMode>
+                    </configuration>
+                    <executions>
+                        <execution>
+                            <id>flatten</id>
+                            <goals>
+                                <goal>flatten</goal>
+                            </goals>
+                            <phase>generate-resources</phase>
+                        </execution>
+                        <execution>
+                            <id>flatten.clean</id>
+                            <goals>
+                                <goal>clean</goal>
+                            </goals>
+                            <phase>clean</phase>
+                        </execution>
+                    </executions>
+                </plugin>
             </plugins>
         </pluginManagement>
         <plugins>
@@ -275,6 +302,10 @@
                 <groupId>org.sonatype.central</groupId>
                 <artifactId>central-publishing-maven-plugin</artifactId>
             </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>flatten-maven-plugin</artifactId>
+            </plugin>
         </plugins>
     </build>
 
diff --git a/reference/common/pom.xml b/reference/common/pom.xml
index 84f4ff74c..169493750 100644
--- a/reference/common/pom.xml
+++ b/reference/common/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-reference-common</artifactId>
diff --git a/reference/grpc/pom.xml b/reference/grpc/pom.xml
index 2f2d7edd6..36395985a 100644
--- a/reference/grpc/pom.xml
+++ b/reference/grpc/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/reference/jsonrpc/pom.xml b/reference/jsonrpc/pom.xml
index 3f0116ce2..caba2e6cf 100644
--- a/reference/jsonrpc/pom.xml
+++ b/reference/jsonrpc/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-reference-jsonrpc</artifactId>
diff --git a/server-common/pom.xml b/server-common/pom.xml
index caf58b2d1..86f4762b3 100644
--- a/server-common/pom.xml
+++ b/server-common/pom.xml
@@ -7,7 +7,8 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-server-common</artifactId>
 
diff --git a/spec-grpc/pom.xml b/spec-grpc/pom.xml
index cb97c6ca2..d72715049 100644
--- a/spec-grpc/pom.xml
+++ b/spec-grpc/pom.xml
@@ -7,7 +7,8 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-spec-grpc</artifactId>
 
diff --git a/spec/pom.xml b/spec/pom.xml
index ce67def18..395cc38ac 100644
--- a/spec/pom.xml
+++ b/spec/pom.xml
@@ -7,7 +7,8 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-spec</artifactId>
 
diff --git a/tck/pom.xml b/tck/pom.xml
index 5272c1a1c..1ce45eaf2 100644
--- a/tck/pom.xml
+++ b/tck/pom.xml
@@ -7,7 +7,8 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
     </parent>
 
     <artifactId>a2a-tck-server</artifactId>
diff --git a/tests/server-common/pom.xml b/tests/server-common/pom.xml
index 831dcc86c..dad4a18a5 100644
--- a/tests/server-common/pom.xml
+++ b/tests/server-common/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-tests-server-common</artifactId>
diff --git a/transport/grpc/pom.xml b/transport/grpc/pom.xml
index 982ae3b8e..e004ea384 100644
--- a/transport/grpc/pom.xml
+++ b/transport/grpc/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-transport-grpc</artifactId>
diff --git a/transport/jsonrpc/pom.xml b/transport/jsonrpc/pom.xml
index b66e3b1f5..147f4ac3d 100644
--- a/transport/jsonrpc/pom.xml
+++ b/transport/jsonrpc/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.github.a2asdk</groupId>
         <artifactId>a2a-java-sdk-parent</artifactId>
-        <version>0.2.6.Beta1-SNAPSHOT</version>
+        <version>${revision}</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <artifactId>a2a-java-sdk-transport-jsonrpc</artifactId>