diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 3669687..cea0d02 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [3.6, 3.7, 3.8, 3.9, 3.10, 3.11]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
       - name: Checkout code