diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 49602dca9b7..803df5d4d75 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8522,7 +8522,9 @@ in {
 
   urlgrabber = callPackage ../development/python-modules/urlgrabber { };
 
-  urllib3 = callPackage ../development/python-modules/urllib3 { };
+  urllib3 = callPackage ../development/python-modules/urllib3 {
+    pytestCheckHook = self.pytest_6_1CheckHook;
+  };
 
   urwid = callPackage ../development/python-modules/urwid { };