diff --git a/pkgs/development/python-modules/webtest-aiohttp/default.nix b/pkgs/development/python-modules/webtest-aiohttp/default.nix
index 0f915980724c..101a8040cef8 100644
--- a/pkgs/development/python-modules/webtest-aiohttp/default.nix
+++ b/pkgs/development/python-modules/webtest-aiohttp/default.nix
@@ -38,10 +38,12 @@ buildPythonPackage rec {
 
   build-system = [ setuptools ];
 
-  dependencies = [ webtest ];
+  dependencies = [
+    aiohttp
+    webtest
+  ];
 
   nativeCheckInputs = [
-    aiohttp
     pytest-aiohttp
     pytestCheckHook
   ];