diff --git a/pkgs/development/python-modules/pygount/default.nix b/pkgs/development/python-modules/pygount/default.nix
index c6c01e6988d5..f6d8cd3d55e2 100644
--- a/pkgs/development/python-modules/pygount/default.nix
+++ b/pkgs/development/python-modules/pygount/default.nix
@@ -22,6 +22,8 @@ buildPythonPackage rec {
     hash = "sha256-PFqcSnJoGL4bXFy3hu3Iurbb8QK1NqCDs8aJmMxP4Hc=";
   };
 
+  pythonRelaxDeps = [ "rich" ];
+
   nativeBuildInputs = [ poetry-core ];
 
   propagatedBuildInputs = [