diff --git a/pkgs/development/python-modules/myfitnesspal/default.nix b/pkgs/development/python-modules/myfitnesspal/default.nix
index eec0de5766d5..79ff95e4a560 100644
--- a/pkgs/development/python-modules/myfitnesspal/default.nix
+++ b/pkgs/development/python-modules/myfitnesspal/default.nix
@@ -31,6 +31,8 @@ buildPythonPackage rec {
     hash = "sha256-eE807M8qFDlSMAcE+GFJyve1YfmlWmB3ML9VJhMUeIE=";
   };
 
+  pythonRelaxDeps = [ "typing-extensions" ];
+
   nativeBuildInputs = [ setuptools ];
 
   propagatedBuildInputs = [