diff --git a/test-requirements.txt b/test-requirements.txt
index 43ead9ef..f1915fdd 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -28,6 +28,8 @@ cliff<3.0.0
 # python 3.5 yet (e.g. "ModuleNotFoundError")
 importlib-metadata<3.0.0; python_version < '3.6'
 importlib-resources<3.0.0; python_version < '3.6'
+importlib-metadata<5.0.0; python_version < '3.8'
+importlib-resources<5.8.0; python_version < '3.8'
 
 # Some Zuul nodes sometimes pull newer versions of these dependencies which
 # dropped support for python 3.5: