diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
index 2b08afa..ff4c88f 100644
--- a/.github/workflows/CompatHelper.yml
+++ b/.github/workflows/CompatHelper.yml
@@ -7,6 +7,8 @@ jobs:
   CompatHelper:
     runs-on: ubuntu-latest
     steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
       - name: Pkg.add("CompatHelper")
         run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
       - name: CompatHelper.main()