diff --git a/pom.xml b/pom.xml
index 46bcc2e..f8a14bf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,6 +63,10 @@ under the License.
     <mavenVersion>3.9.6</mavenVersion>
     <project.build.outputTimestamp>2025-11-16T13:25:49Z</project.build.outputTimestamp>
     <version.palantirJavaFormat>2.81.0</version.palantirJavaFormat>
+    <!-- mavenArchiverVersion is also used by site -->
+    <mavenArchiverVersion>3.6.5</mavenArchiverVersion>
+    <!-- mavenFilteringVersion is also used by site -->
+    <mavenFilteringVersion>3.4.0</mavenFilteringVersion>
   </properties>
 
   <dependencies>
@@ -99,7 +103,7 @@ under the License.
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-archiver</artifactId>
-      <version>3.6.5</version>
+      <version>${mavenArchiverVersion}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.plugin-tools</groupId>
@@ -110,7 +114,7 @@ under the License.
     <dependency>
       <groupId>org.apache.maven.shared</groupId>
       <artifactId>maven-filtering</artifactId>
-      <version>3.4.0</version>
+      <version>${mavenFilteringVersion}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.shared</groupId>