diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a4bdb1971..baab62b07 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ jobs:
     steps:      
     - uses: actions/setup-python@v4
       with:
-        python-version: '3.x'
+        python-version: '3.10'
     - run: pip install 'git+https://github.com/silnrsi/sldrtools'
     - uses: actions/checkout@v3