diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0a7f223..97fbb9c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Install Dafny
-        uses: dafny-lang/setup-dafny-action@v1
+        uses: dafny-lang/setup-dafny-action@v1.7.0
         with:
           dafny-version: ${{ env.dafny }}
       - uses: actions/checkout@v4