diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3cb1e96..f73e4eb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -48,7 +48,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install wheel setuptools
-        python -m pip install numpy lxml h5py
+        python -m pip install numpy lxml h5py "pytest<6"
 
     ### Actual building/testing of sasdata