diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
index 58959121a..272a70708 100644
--- a/.github/workflows/CompatHelper.yml
+++ b/.github/workflows/CompatHelper.yml
@@ -9,7 +9,7 @@ jobs:
       - name: Pkg.add("CompatHelper")
         run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
       - name: CompatHelper.main()
-        run: julia -e 'using CompatHelper; CompatHelper.main()'
+        run: julia -e 'using CompatHelper; CompatHelper.main(; master_branch = "dev")'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           COMPATHELPER_PRIV: ${{ secrets.COMPATHELPER_PRIV }}