diff --git a/pkgs/development/python-modules/langchain-openai/default.nix b/pkgs/development/python-modules/langchain-openai/default.nix
index f5b5e2efe49b..cce7862ac66e 100644
--- a/pkgs/development/python-modules/langchain-openai/default.nix
+++ b/pkgs/development/python-modules/langchain-openai/default.nix
@@ -31,14 +31,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-openai";
-  version = "0.3.17";
+  version = "0.3.21";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     tag = "langchain-openai==${version}";
-    hash = "sha256-JsPdG62vvM8b/u5bo6FyXQhhGua/Sd74L/8CtMI7Fjc=";
+    hash = "sha256-QGYDwK9HYntb8RJcFYzavr14taVfgZedzLkZKaw4I/g=";
   };
 
   sourceRoot = "${src.name}/libs/partners/openai";