diff --git a/.github/workflows/osx.yml b/.github/workflows/osx.yml
index c95def98..f058d214 100644
--- a/.github/workflows/osx.yml
+++ b/.github/workflows/osx.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: [ '3.7', '3.8', '3.9', '3.10', '3.11' ]
+        python-version: [ '3.7.15', '3.8.12', '3.9.7', '3.10.4', '3.11.0' ]
         # python-version: [ '3.7', '3.8', '3.9', '3.10' ]
 
     steps: