diff --git a/pom.xml b/pom.xml
index daefa756..ee6aed63 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>1.609.1</version>
+    <version>4.66</version>
   </parent>
 
   <artifactId>scm-sync-configuration</artifactId>
@@ -216,7 +216,7 @@
           <dependency>
               <groupId>org.jenkins-ci.main</groupId>
               <artifactId>jenkins-test-harness</artifactId>
-              <version>${project.parent.version}</version>
+              <version>2010.v1888f1a_cd45a_</version>
               <exclusions>
                   <exclusion>
                       <!-- Conflicts with org.jenkins-ci.plugins:subversion dependency -->