diff --git a/docker_shell b/docker_shell
index 74006fe..4d6093a 100755
--- a/docker_shell
+++ b/docker_shell
@@ -61,9 +61,9 @@ export WORKSPACE_ORIGIN=$(dirname $(find $WORKSPACE_EXECROOT -maxdepth 1 -type l
 # Create out script if one does not exist
 if [[ ! -f $WORKSPACE_EXECROOT/bazel-out/k8-fastbuild/bin/out ]]; then
 	if [[ -d $WORKSPACE_EXTERNAL/bazel-orfs~override ]]; then
-		cp $WORKSPACE_EXTERNAL/bazel-orfs~override/out_script $WORKSPACE_EXECROOT/bazel-out/k8-fastbuild/bin/out
+		cp --update $WORKSPACE_EXTERNAL/bazel-orfs~override/out_script $WORKSPACE_EXECROOT/bazel-out/k8-fastbuild/bin/out
 	elif [[ -f $WORKSPACE_ORIGIN/out_script ]]; then
-		cp $WORKSPACE_ORIGIN/out_script $WORKSPACE_EXECROOT/bazel-out/k8-fastbuild/bin/out
+		cp --update $WORKSPACE_ORIGIN/out_script $WORKSPACE_EXECROOT/bazel-out/k8-fastbuild/bin/out
 	fi
 fi
 # Create bazel-bin symlink if it does not exist