diff --git a/releng/org.eclipse.cdt.releng/build.sh b/releng/org.eclipse.cdt.releng/build.sh
index c3ed97f98f9..01b42f48639 100644
--- a/releng/org.eclipse.cdt.releng/build.sh
+++ b/releng/org.eclipse.cdt.releng/build.sh
@@ -28,7 +28,7 @@ umask 0022
 mkdir -p tools
 cd tools
 cvs -d:pserver:anonymous@dev.eclipse.org:/cvsroot/eclipse \
-	checkout -r R35_M5 org.eclipse.releng.basebuilder
+	checkout -r R35_M6 org.eclipse.releng.basebuilder
 cd ..
 
 # Let's go!