SLING-8936 - pax exam variable
diff --git a/pom.xml b/pom.xml
index 8e939a6..f1a4883 100644
--- a/pom.xml
+++ b/pom.xml
@@ -44,6 +44,7 @@
 
     <properties>
         <site.jira.version.id>12314292</site.jira.version.id>
+        <pax.exam.version>4.13.1</pax.exam.version>
         <!-- To debug the pax process, override this with -D -->
         <pax.vm.options>-Xmx256M -XX:MaxPermSize=256m</pax.vm.options>
     </properties>
@@ -234,31 +235,31 @@
         <dependency>
             <groupId>org.ops4j.pax.exam</groupId>
             <artifactId>pax-exam</artifactId>
-            <version>4.13.1</version>
+            <version>${pax.exam.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.ops4j.pax.exam</groupId>
             <artifactId>pax-exam-cm</artifactId>
-            <version>4.13.1</version>
+            <version>${pax.exam.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.ops4j.pax.exam</groupId>
             <artifactId>pax-exam-container-forked</artifactId>
-            <version>4.13.1</version>
+            <version>${pax.exam.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.ops4j.pax.exam</groupId>
             <artifactId>pax-exam-junit4</artifactId>
-            <version>4.13.1</version>
+            <version>${pax.exam.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.ops4j.pax.exam</groupId>
             <artifactId>pax-exam-link-mvn</artifactId>
-            <version>4.13.1</version>
+            <version>${pax.exam.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>