diff --git a/pkgs/development/python-modules/langchain-core/default.nix b/pkgs/development/python-modules/langchain-core/default.nix
index 9196aef28b5d..ccd74777f32d 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 = "0.1.26";
+  version = "0.1.27";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -24,7 +24,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "langchain_core";
     inherit version;
-    hash = "sha256-YYZ1jWIBVyOqxn7xogVWldA+gsTdQHQheXWwxi+vSxc=";
+    hash = "sha256-aYQUIjUlwLwTDYWmFOFJOQXViKty/gya07U3sdxiBn8=";
   };
 
   pythonRelaxDeps = [
diff --git a/pkgs/development/python-modules/langsmith/default.nix b/pkgs/development/python-modules/langsmith/default.nix
index 171dc7d54025..b3f4dc1119d7 100644
--- a/pkgs/development/python-modules/langsmith/default.nix
+++ b/pkgs/development/python-modules/langsmith/default.nix
@@ -15,7 +15,7 @@
 
 buildPythonPackage rec {
   pname = "langsmith";
-  version = "0.1.8";
+  version = "0.1.10";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "langchain-ai";
     repo = "langsmith-sdk";
     rev = "refs/tags/v${version}";
-    hash = "sha256-te5sx4qveuA4Pi8BzqS1/fBR0AtVEq0MtbZiNohjjPA=";
+    hash = "sha256-9My/0DPN6AwAFoAiTdl6jd2GtX4fpFIgpnZe/WzAi9c=";
   };
 
   sourceRoot = "${src.name}/python";