diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 49a1915..d3de796 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -6,6 +6,9 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.8']
     steps:
       - uses: actions/checkout@v2
       - name: Build dists