diff --git a/war/pom.xml b/war/pom.xml
index 73fdd7eaae..a1e4113605 100644
--- a/war/pom.xml
+++ b/war/pom.xml
@@ -105,7 +105,7 @@ THE SOFTWARE.
       <groupId>org.jenkins-ci</groupId>
       <artifactId>winstone</artifactId>
       <!-- Make sure to keep jetty-maven-plugin elsewhere in this file in sync with the Jetty release in Winstone -->
-      <version>5.17</version>
+      <version>5.18</version>
       <scope>test</scope>
     </dependency>
     <dependency>