diff --git a/.github/workflows/test_python_ver_matrix.yml b/.github/workflows/test_python_ver_matrix.yml
index 84cd8a484f..26e7ab43b9 100644
--- a/.github/workflows/test_python_ver_matrix.yml
+++ b/.github/workflows/test_python_ver_matrix.yml
@@ -55,6 +55,10 @@ jobs:
     - name: Build BNGL
       run: |
         scripts/buildBNGL.sh
+
+    # until https://github.com/dateutil/dateutil >2.8.2 is released
+    - run: pip install https://github.com/dateutil/dateutil/archive/296d419fe6bf3b22897f8f210735ac9c4e1cb796.zip
+
     - name: Install python package
       run: |
         scripts/installAmiciSource.sh