diff --git a/krebs/5pkgs/simple/urlwatch/default.nix b/krebs/5pkgs/simple/urlwatch/default.nix
index 225b5bf8f..509555669 100644
--- a/krebs/5pkgs/simple/urlwatch/default.nix
+++ b/krebs/5pkgs/simple/urlwatch/default.nix
@@ -11,6 +11,7 @@ python3Packages.buildPythonPackage rec {
   propagatedBuildInputs = with python3Packages; [
     keyring
     minidb
+    pycodestyle
     pyyaml
     requests2
   ];