diff --git a/maven-plugin-tools-api/pom.xml b/maven-plugin-tools-api/pom.xml
index 2d53cf29..0a6a27a2 100644
--- a/maven-plugin-tools-api/pom.xml
+++ b/maven-plugin-tools-api/pom.xml
@@ -75,7 +75,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-classworlds</artifactId>
-      <version>2.8.0</version>
+      <version>2.9.0</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.sisu</groupId>