diff --git a/pkgs/by-name/ca/canaille/package.nix b/pkgs/by-name/ca/canaille/package.nix
index d53f3648d64e..5c2d23b62323 100644
--- a/pkgs/by-name/ca/canaille/package.nix
+++ b/pkgs/by-name/ca/canaille/package.nix
@@ -58,7 +58,7 @@ python.pkgs.buildPythonApplication rec {
       coverage
       flask-webtest
       pyquery
-      pytest-cov
+      pytest-cov-stub
       pytest-httpserver
       pytest-lazy-fixtures
       pytest-smtpd