diff --git a/release/check-submodules.sh b/release/check-submodules.sh
index 5f4e307e49..bff8d7a28f 100755
--- a/release/check-submodules.sh
+++ b/release/check-submodules.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 while read hash submodule ref; do
-  git -C $submodule fetch --depth 1000 origin master
+  git -C $submodule fetch --depth 2000 origin master
   git -C $submodule branch -r --contains $hash | grep "origin/master"
   if [ "$?" -eq 0 ]; then
     echo "$submodule ok"