diff --git a/.github/workflows/legacy_test.yml b/.github/workflows/legacy_test.yml
index 23fa80dcb..df10ac375 100644
--- a/.github/workflows/legacy_test.yml
+++ b/.github/workflows/legacy_test.yml
@@ -17,7 +17,7 @@ jobs:
         - name: Set up Python
           uses: actions/setup-python@v4
           with:
-            python-version: 3.8
+            python-version: 3.9
               
         - name: Install MIKE IO
           run: |