diff --git a/pkgs/development/python-modules/langchain-openai/default.nix b/pkgs/development/python-modules/langchain-openai/default.nix
index 7b0e88098b0b..96019d63e692 100644
--- a/pkgs/development/python-modules/langchain-openai/default.nix
+++ b/pkgs/development/python-modules/langchain-openai/default.nix
@@ -28,14 +28,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-openai";
-  version = "0.2.1";
+  version = "0.3.6";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    rev = "refs/tags/langchain-openai==${version}";
-    hash = "sha256-M1gyw0Nmh+aLU9scbuqmK2kPyfwtaFaCfue+T8PLguQ=";
+    rev = "refs/tags/langchain-core==${version}";
+    hash = "sha256-ACR+JzKcnYXROGOQe6DlZeqcYd40KlesgXSUOybOT20=";
   };
 
   sourceRoot = "${src.name}/libs/partners/openai";