diff --git a/plugin/pom.xml b/plugin/pom.xml
index c2efea01..a05aa3e2 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -185,7 +185,7 @@
     <dependency>
       <groupId>org.jenkinsci.plugins</groupId>
       <artifactId>pipeline-model-definition</artifactId>
-      <version>1.2</version>
+      <version>1.8.4</version>
       <scope>test</scope>
     </dependency>