diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 40e4f739..36d51c27 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.x
+          python-version: 3.8
       - uses: actions/cache@v2
         with:
           path: ~/.cache/pip