diff --git a/pom.xml b/pom.xml
index 5532ee074..bec5ffa86 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
 
 	<properties>
 		<scala>2.11.7</scala>
-		<reactor>2.5.0.M2</reactor>
+		<reactor>2.5.0.M4</reactor>
 		<xmlbeam>1.4.8</xmlbeam>
 	</properties>