diff --git a/pkgs/development/python-modules/pyfronius/default.nix b/pkgs/development/python-modules/pyfronius/default.nix
index 98081c9ca872..c5cf2f3512b1 100644
--- a/pkgs/development/python-modules/pyfronius/default.nix
+++ b/pkgs/development/python-modules/pyfronius/default.nix
@@ -36,5 +36,7 @@ buildPythonPackage rec {
     changelog = "https://github.com/nielstron/pyfronius/releases/tag/release-${version}";
     license = licenses.mit;
     maintainers = with maintainers; [ fab ];
+    # https://github.com/nielstron/pyfronius/issues/18
+    broken = versionAtLeast aiohttp.version "3.10.1";
   };
 }