diff --git a/.github/workflows/cleanup-DEV.yml b/.github/workflows/cleanup-DEV.yml
index 70a3ee36..ee478e8d 100644
--- a/.github/workflows/cleanup-DEV.yml
+++ b/.github/workflows/cleanup-DEV.yml
@@ -35,7 +35,7 @@ jobs:
       # Checkout the code base #
       ##########################
       - name: Checkout Code
-        uses: actions/checkout@master
+        uses: actions/checkout@v2
 
       ######################
       # Run Removal script #