diff --git a/pkgs/development/python-modules/mcp/default.nix b/pkgs/development/python-modules/mcp/default.nix
index 4862c9cc7d95..0cd8d583e6b2 100644
--- a/pkgs/development/python-modules/mcp/default.nix
+++ b/pkgs/development/python-modules/mcp/default.nix
@@ -75,6 +75,8 @@ buildPythonPackage rec {
     "test_command_execution"
   ];
 
+  __darwinAllowLocalNetworking = true;
+
   meta = {
     changelog = "https://github.com/modelcontextprotocol/python-sdk/releases/tag/${src.tag}";
     description = "Official Python SDK for Model Context Protocol servers and clients";
diff --git a/pkgs/development/python-modules/testcontainers/default.nix b/pkgs/development/python-modules/testcontainers/default.nix
index 77f9639c4bac..55caec1b9afc 100644
--- a/pkgs/development/python-modules/testcontainers/default.nix
+++ b/pkgs/development/python-modules/testcontainers/default.nix
@@ -16,14 +16,14 @@
 
 buildPythonPackage rec {
   pname = "testcontainers";
-  version = "4.9.1";
+  version = "4.9.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "testcontainers";
     repo = "testcontainers-python";
     tag = "testcontainers-v${version}";
-    hash = "sha256-qbOtsENvPl+l2ODGyuxmiAoJwU4EIACu1GW5GPP207c=";
+    hash = "sha256-yLoMxRh5hdypwYAimCjOM+C1oaOZGyMj7FsQ2SkapOM=";
   };
 
   postPatch = ''