diff --git a/pkgs/development/python-modules/livisi/default.nix b/pkgs/development/python-modules/livisi/default.nix
index 3075bdecebd8..9babd17739b3 100644
--- a/pkgs/development/python-modules/livisi/default.nix
+++ b/pkgs/development/python-modules/livisi/default.nix
@@ -20,6 +20,8 @@ buildPythonPackage rec {
     hash = "sha256-ggEbzN9FfqT968hgOblIh5dfVibzgUEc4SoZfBGOCwo=";
   };
 
+  pythonRelaxDeps = [ "colorlog" ];
+
   build-system = [ setuptools ];
 
   dependencies = [