diff --git a/pro b/pro
index 732ad2f..d81cd03 100755
--- a/pro
+++ b/pro
@@ -1,5 +1,6 @@
 #!/bin/bash
 if [ "$1" == 'update' -o "$1" == 'u' ]; then
+  git submodule foreach --recursive git checkout master
   git pull --recurse-submodules
 else
   ./framework/tools/containers/docker/start.sh $@