diff --git a/pkgs/development/python-modules/multidict/default.nix b/pkgs/development/python-modules/multidict/default.nix
index a35bbdbee805..286c7395781e 100644
--- a/pkgs/development/python-modules/multidict/default.nix
+++ b/pkgs/development/python-modules/multidict/default.nix
@@ -15,14 +15,14 @@
 
 buildPythonPackage rec {
   pname = "multidict";
-  version = "6.6.4";
+  version = "6.7.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "aio-libs";
     repo = "multidict";
     tag = "v${version}";
-    hash = "sha256-Ewxwz+0Y8pXJpHobLxrV7cuA9fsAaawWmW9XoEg7dxU=";
+    hash = "sha256-NEiUXHwY7bas7+Ddf9hdR6m/N+wbRG/NguoMROIWjeU=";
   };
 
   postPatch = ''
@@ -37,11 +37,9 @@ buildPythonPackage rec {
     typing-extensions
   ];
 
-  env =
-    { }
-    // lib.optionalAttrs stdenv.cc.isClang {
-      NIX_CFLAGS_COMPILE = "-Wno-error=unused-command-line-argument";
-    };
+  env = lib.optionalAttrs stdenv.cc.isClang {
+    NIX_CFLAGS_COMPILE = "-Wno-error=unused-command-line-argument";
+  };
 
   nativeCheckInputs = [
     objgraph
@@ -58,11 +56,11 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "multidict" ];
 
-  meta = with lib; {
+  meta = {
     changelog = "https://github.com/aio-libs/multidict/blob/${src.tag}/CHANGES.rst";
     description = "Multidict implementation";
     homepage = "https://github.com/aio-libs/multidict/";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ dotlambda ];
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ dotlambda ];
   };
 }