diff --git a/pkgs/development/python-modules/python-otbr-api/default.nix b/pkgs/development/python-modules/python-otbr-api/default.nix
index ac723db320d5..6b4396b7a739 100644
--- a/pkgs/development/python-modules/python-otbr-api/default.nix
+++ b/pkgs/development/python-modules/python-otbr-api/default.nix
@@ -9,6 +9,7 @@
   pytestCheckHook,
   pythonOlder,
   setuptools,
+  typing-extensions,
   voluptuous,
 }:
 
@@ -32,6 +33,7 @@ buildPythonPackage rec {
     aiohttp
     bitstruct
     cryptography
+    typing-extensions
     voluptuous
   ];