diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 23f303d..6b23c4d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ jobs:
     name: Install the cli
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5  # v2
       - name: Install CLI
         uses: ./
         id: install