diff --git a/.github/workflows/self.yml b/.github/workflows/self.yml
index 86672fec..f5ec8ff6 100644
--- a/.github/workflows/self.yml
+++ b/.github/workflows/self.yml
@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 30
     strategy:
       matrix:
-        python-version: ['3.9','3.10','3.11','3.12']
+        python-version: ['3.9']
     container: python:${{ matrix.python-version }}
 
     steps: