diff --git a/.github/workflows/run_tests.yaml b/.github/workflows/run_tests.yaml
index f6a2d48..117eda0 100644
--- a/.github/workflows/run_tests.yaml
+++ b/.github/workflows/run_tests.yaml
@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        python: ['3.9', '3.10', '3.11']
+        python: ['3.10']
 
     steps:
       - name: Cancel Previous Runs