diff --git a/pkgs/development/python-modules/langchain-community/default.nix b/pkgs/development/python-modules/langchain-community/default.nix
index 90619042619c..e8e028570abd 100644
--- a/pkgs/development/python-modules/langchain-community/default.nix
+++ b/pkgs/development/python-modules/langchain-community/default.nix
@@ -18,7 +18,7 @@
 
 buildPythonPackage rec {
   pname = "langchain-community";
-  version = "0.0.37";
+  version = "0.0.38";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -26,7 +26,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "langchain_community";
     inherit version;
-    hash = "sha256-2ytYKbsgvFsEwSa2kUPbwxqIDpSelBEMI2ssF2kGiJ8=";
+    hash = "sha256-En/Et1vGe2L+gnxmwC5xWnMP74/mm9ICPUZrqwa1gQ0=";
   };
 
   build-system = [ poetry-core ];
diff --git a/pkgs/development/python-modules/langchain-core/default.nix b/pkgs/development/python-modules/langchain-core/default.nix
index 746d690984be..8cfa8cafd9ee 100644
--- a/pkgs/development/python-modules/langchain-core/default.nix
+++ b/pkgs/development/python-modules/langchain-core/default.nix
@@ -17,7 +17,7 @@
 
 buildPythonPackage rec {
   pname = "langchain-core";
-  version = "0.1.51";
+  version = "0.1.52";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -25,7 +25,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "langchain_core";
     inherit version;
-    hash = "sha256-9+oRb5Ob6edMOFuvldbITNekArWcLBiT/AVL+Yq778I=";
+    hash = "sha256-CEw/xFL1ppZsKKs+xdvIuNJvw/YzeAc5KPTinZC2OT8=";
   };
 
   pythonRelaxDeps = [
diff --git a/pkgs/development/python-modules/langchain/default.nix b/pkgs/development/python-modules/langchain/default.nix
index ddcb01d7c450..7e357a070ea0 100644
--- a/pkgs/development/python-modules/langchain/default.nix
+++ b/pkgs/development/python-modules/langchain/default.nix
@@ -160,6 +160,8 @@ buildPythonPackage rec {
     "test_generic_fake_chat_model"
     # Test is outdated
     "test_serializable_mapping"
+    "test_person"
+    "test_aliases_hidden"
   ];
 
   pythonImportsCheck = [ "langchain" ];
diff --git a/pkgs/development/python-modules/langsmith/default.nix b/pkgs/development/python-modules/langsmith/default.nix
index e42a344262a3..d2938eb59446 100644
--- a/pkgs/development/python-modules/langsmith/default.nix
+++ b/pkgs/development/python-modules/langsmith/default.nix
@@ -22,7 +22,7 @@
 
 buildPythonPackage rec {
   pname = "langsmith";
-  version = "0.1.54";
+  version = "0.1.56";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -31,7 +31,7 @@ buildPythonPackage rec {
     owner = "langchain-ai";
     repo = "langsmith-sdk";
     rev = "refs/tags/v${version}";
-    hash = "sha256-hg1xfqptjeJHxbiGfuGeka7lpClrb9nxP/RSUYr2/0k=";
+    hash = "sha256-S+l+KA+7kZZX4OeJICeYmK7l7SxSXWiZiV9JgM+JTl8=";
   };
 
   sourceRoot = "${src.name}/python";