diff --git a/pkgs/development/python-modules/aioguardian/default.nix b/pkgs/development/python-modules/aioguardian/default.nix
index bf082c4d66a0..923b05321fd5 100644
--- a/pkgs/development/python-modules/aioguardian/default.nix
+++ b/pkgs/development/python-modules/aioguardian/default.nix
@@ -37,6 +37,7 @@ buildPythonPackage rec {
 
   pythonRelaxDeps = [
     "asyncio_dgram"
+    "frozenlist"
     "typing-extensions"
   ];