diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 42303cbf..59c4e88d 100755
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -31,7 +31,8 @@ jobs:
     steps:
       - name: Clone project
         uses: actions/checkout@v2
-
+      - name: Install Stack
+        run: stack --version || curl -sSL https://get.haskellstack.org/ | sh
       - name: Build and run tests
         shell: bash
         run: |