diff --git a/pkgs/development/python-modules/langchain-deepseek/default.nix b/pkgs/development/python-modules/langchain-deepseek/default.nix
index 5118c838c8db..2d6dfa1563ed 100644
--- a/pkgs/development/python-modules/langchain-deepseek/default.nix
+++ b/pkgs/development/python-modules/langchain-deepseek/default.nix
@@ -22,14 +22,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-deepseek";
-  version = "1.0.1";
+  version = "1.1.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     tag = "langchain-deepseek==${version}";
-    hash = "sha256-9iLJ0+wSBdPJqu71waYlq2pZV594mSoZcewsnMOeT64=";
+    hash = "sha256-IHWTArtJB/CLIk0tKirRxUPcdJiqf1NDXn5Y+HBYv/g=";
   };
 
   sourceRoot = "${src.name}/libs/partners/deepseek";