diff --git a/.github/workflows/Python-tests.yml b/.github/workflows/Python-tests.yml
index 4a3a02d..e4bb402 100644
--- a/.github/workflows/Python-tests.yml
+++ b/.github/workflows/Python-tests.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-18.04, ubuntu-latest, windows-latest]
+        os: [ubuntu-latest, windows-latest]
         python-version: ['3.8', '3.9', '3.10', '3.11']
 
     steps: