diff --git a/pom.xml b/pom.xml
index 15a4f4c..8d156b0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,7 @@ See the Apache License Version 2.0 for the specific language governing permissio
     <dependency>
       <groupId>org.eclipse.sisu</groupId>
       <artifactId>org.eclipse.sisu.plexus</artifactId>
-      <version>0.9.0.M3</version>
+      <version>0.9.0.M4</version>
       <exclusions>
         <exclusion>
           <groupId>*</groupId>