diff --git a/pkgs/development/python-modules/langchain/default.nix b/pkgs/development/python-modules/langchain/default.nix
index 383a5a2542de..ce61ce40aa5d 100644
--- a/pkgs/development/python-modules/langchain/default.nix
+++ b/pkgs/development/python-modules/langchain/default.nix
@@ -132,6 +132,9 @@ buildPythonPackage (finalAttrs: {
   disabledTestPaths = [
     # Their configuration tests don't place nicely with nixpkgs
     "tests/unit_tests/test_pytest_config.py"
+
+    # Timing sensitive tests
+    "tests/unit_tests/agents/middleware/implementations/test_model_retry.py"
   ];
 
   pythonImportsCheck = [ "langchain" ];