diff --git a/.github/workflows/test_infsum.yml b/.github/workflows/test_infsum.yml
index 656351b..b405c76 100644
--- a/.github/workflows/test_infsum.yml
+++ b/.github/workflows/test_infsum.yml
@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
       - name: Checkout code
@@ -36,4 +36,4 @@ jobs:
 
       - name: Run tests
         run: |
-          pytest tests.py
\ No newline at end of file
+          pytest tests.py