diff --git a/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix b/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix
index 8dbb0ed2a725..24c1fe66d5eb 100644
--- a/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix
+++ b/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix
@@ -18,6 +18,7 @@
   responses,
   syrupy,
   toml,
+  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -62,6 +63,13 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_azure_dynamic_sessions" ];
 
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version-regex"
+      "langchain-azure-dynamic-sessions==(.*)"
+    ];
+  };
+
   meta = {
     description = "Integration package connecting Azure Container Apps dynamic sessions and LangChain";
     homepage = "https://github.com/langchain-ai/langchain/tree/master/libs/partners/azure-dynamic-sessions";
diff --git a/pkgs/development/python-modules/langchain-community/default.nix b/pkgs/development/python-modules/langchain-community/default.nix
index aa6e68471fa5..6bbcd117e480 100644
--- a/pkgs/development/python-modules/langchain-community/default.nix
+++ b/pkgs/development/python-modules/langchain-community/default.nix
@@ -30,7 +30,7 @@
 
 buildPythonPackage rec {
   pname = "langchain-community";
-  version = "0.2.12";
+  version = "0.2.15";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -39,7 +39,7 @@ buildPythonPackage rec {
     owner = "langchain-ai";
     repo = "langchain";
     rev = "refs/tags/langchain-community==${version}";
-    hash = "sha256-HsKWGiWA6uKmRQOMw3efXkjwbBuvDHhf5waNvnvBdG4=";
+    hash = "sha256-R1C+tEXCLqYHzQ2zrYaYa6cqJn/UWZEHBMC+WjbdQaQ=";
   };
 
   sourceRoot = "${src.name}/libs/community";
@@ -90,6 +90,7 @@ buildPythonPackage rec {
   disabledTests = [
     # Test require network access
     "test_ovhcloud_embed_documents"
+    "test_yandex"
     # duckdb-engine needs python-wasmer which is not yet available in Python 3.12
     # See https://github.com/NixOS/nixpkgs/pull/326337 and https://github.com/wasmerio/wasmer-python/issues/778
     "test_table_info"
diff --git a/pkgs/development/python-modules/langchain-core/default.nix b/pkgs/development/python-modules/langchain-core/default.nix
index 3012cda9b4fc..2ade17e754a7 100644
--- a/pkgs/development/python-modules/langchain-core/default.nix
+++ b/pkgs/development/python-modules/langchain-core/default.nix
@@ -25,7 +25,7 @@
 
 buildPythonPackage rec {
   pname = "langchain-core";
-  version = "0.2.33";
+  version = "0.2.37";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -34,7 +34,7 @@ buildPythonPackage rec {
     owner = "langchain-ai";
     repo = "langchain";
     rev = "refs/tags/langchain-core==${version}";
-    hash = "sha256-vM3FY9E8PeC8LHP4QCTM1ggFynI+PscF7pv7CMaSZlU=";
+    hash = "sha256-An2ApN0pgCrQjqu9XPFfPyPvWx0+6JnUkGPrcD0/3kg=";
   };
 
   sourceRoot = "${src.name}/libs/core";
@@ -80,7 +80,7 @@ buildPythonPackage rec {
       #!/usr/bin/env nix-shell
       #!nix-shell -i bash -p nix-update
 
-      set -eu -o pipefail
+      set -u -o pipefail +e
       nix-update --commit --version-regex 'langchain-core==(.*)' python3Packages.langchain-core
       nix-update --commit --version-regex 'langchain-text-splitters==(.*)' python3Packages.langchain-text-splitters
       nix-update --commit --version-regex 'langchain==(.*)' python3Packages.langchain
diff --git a/pkgs/development/python-modules/langchain-huggingface/default.nix b/pkgs/development/python-modules/langchain-huggingface/default.nix
index 9c035c50a1d7..774482e5bbcd 100644
--- a/pkgs/development/python-modules/langchain-huggingface/default.nix
+++ b/pkgs/development/python-modules/langchain-huggingface/default.nix
@@ -20,6 +20,7 @@
   responses,
   syrupy,
   toml,
+  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -66,6 +67,13 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_huggingface" ];
 
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version-regex"
+      "langchain-huggingface==(.*)"
+    ];
+  };
+
   meta = {
     changelog = "https://github.com/langchain-ai/langchain/releases/tag/langchain-huggingface==${version}";
     description = "An integration package connecting Huggingface related classes and LangChain";
diff --git a/pkgs/development/python-modules/langchain-mongodb/default.nix b/pkgs/development/python-modules/langchain-mongodb/default.nix
index e14fe4fb0e47..0b0a6b22fd63 100644
--- a/pkgs/development/python-modules/langchain-mongodb/default.nix
+++ b/pkgs/development/python-modules/langchain-mongodb/default.nix
@@ -18,6 +18,7 @@
   responses,
   syrupy,
   toml,
+  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -62,6 +63,13 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_mongodb" ];
 
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version-regex"
+      "langchain-mongodb==(.*)"
+    ];
+  };
+
   meta = {
     changelog = "https://github.com/langchain-ai/langchain/releases/tag/langchain-mongodb==${version}";
     description = "Integration package connecting MongoDB and LangChain";
diff --git a/pkgs/development/python-modules/langchain-openai/default.nix b/pkgs/development/python-modules/langchain-openai/default.nix
index c2376cf89d88..e2c61ee82352 100644
--- a/pkgs/development/python-modules/langchain-openai/default.nix
+++ b/pkgs/development/python-modules/langchain-openai/default.nix
@@ -19,6 +19,7 @@
   responses,
   syrupy,
   toml,
+  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -84,6 +85,13 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_openai" ];
 
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version-regex"
+      "langchain-openai==(.*)"
+    ];
+  };
+
   meta = {
     changelog = "https://github.com/langchain-ai/langchain/releases/tag/langchain-openai==${version}";
     description = "Integration package connecting OpenAI and LangChain";
diff --git a/pkgs/development/python-modules/langchain/default.nix b/pkgs/development/python-modules/langchain/default.nix
index 249e1d74fdd7..4add263f110f 100644
--- a/pkgs/development/python-modules/langchain/default.nix
+++ b/pkgs/development/python-modules/langchain/default.nix
@@ -31,7 +31,7 @@
 
 buildPythonPackage rec {
   pname = "langchain";
-  version = "0.2.14";
+  version = "0.2.15";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -40,7 +40,7 @@ buildPythonPackage rec {
     owner = "langchain-ai";
     repo = "langchain";
     rev = "refs/tags/langchain==${version}";
-    hash = "sha256-dgXcZu7dtmwlXp8dzHSNfbBnK7RWvrSwqYELm1fczzc=";
+    hash = "sha256-8F6ntFstCTQjQNbE9oiYbpZ7kZ1grcnV3FHAfhFnAzA=";
   };
 
   sourceRoot = "${src.name}/libs/langchain";