diff --git a/pkgs/development/python-modules/langchain-openai/default.nix b/pkgs/development/python-modules/langchain-openai/default.nix
index 4122a1d844c3..26605b6b4ec3 100644
--- a/pkgs/development/python-modules/langchain-openai/default.nix
+++ b/pkgs/development/python-modules/langchain-openai/default.nix
@@ -33,14 +33,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "langchain-openai";
-  version = "1.2.0";
+  version = "1.2.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     tag = "langchain-openai==${finalAttrs.version}";
-    hash = "sha256-EH4TZpo843m6/7oyFUxt4tkmCiCGD5+GFqM0gfgnWVQ=";
+    hash = "sha256-0EmL+Ptuvu8CWaqeV9DJnRwstCkxo+XJxzgmPdU/VmA=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/libs/partners/openai";