diff --git a/pkgs/development/python-modules/pyatmo/default.nix b/pkgs/development/python-modules/pyatmo/default.nix
index 827b797f06fa..77a4b8249d07 100644
--- a/pkgs/development/python-modules/pyatmo/default.nix
+++ b/pkgs/development/python-modules/pyatmo/default.nix
@@ -35,6 +35,8 @@ buildPythonPackage rec {
       --replace "requests~=2.24" "requests"
   '';
 
+  pythonRelaxDeps = [ "requests-oauthlib" ];
+
   nativeBuildInputs = [ setuptools-scm ];
 
   propagatedBuildInputs = [