diff --git a/pkgs/development/python-modules/langchain-core/default.nix b/pkgs/development/python-modules/langchain-core/default.nix
index 27252c4b3938..9196aef28b5d 100644
--- a/pkgs/development/python-modules/langchain-core/default.nix
+++ b/pkgs/development/python-modules/langchain-core/default.nix
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "langchain-core";
-  version = "0.1.24";
+  version = "0.1.26";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -24,7 +24,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "langchain_core";
     inherit version;
-    hash = "sha256-znD0uXaV61VjfgDuM9SA//xtsflXJvmbB2tVyxpCkn0=";
+    hash = "sha256-YYZ1jWIBVyOqxn7xogVWldA+gsTdQHQheXWwxi+vSxc=";
   };
 
   pythonRelaxDeps = [