diff --git a/test_reqs.txt b/test_reqs.txt
index 6bdd76c..8ec5e01 100644
--- a/test_reqs.txt
+++ b/test_reqs.txt
@@ -2,7 +2,7 @@ Markdown==3.7  # pyup: <3.2
 coverage==7.6.4
 importlib_metadata<8.6
 typing_extensions==4.12.2
-zipp==3.20.2  # for flake8
+zipp==3.21.0  # for flake8
 flake8==7.1.1
 pep8==1.7.1
 pyflakes==3.2.0