diff --git a/pkgs/development/python-modules/langchain-aws/default.nix b/pkgs/development/python-modules/langchain-aws/default.nix
index 83e063e9cc54cab..767f2262c2870f6 100644
--- a/pkgs/development/python-modules/langchain-aws/default.nix
+++ b/pkgs/development/python-modules/langchain-aws/default.nix
@@ -55,6 +55,10 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_aws" ];
 
+  passthru = {
+    inherit (langchain-core) updateScript;
+  };
+
   meta = {
     changelog = "https://github.com/langchain-ai/langchain-aws/releases/tag/v${version}";
     description = "Build LangChain application on AWS";
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 0d9ce18648f69c0..9bf287ea2c341aa 100644
--- a/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix
+++ b/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix
@@ -23,8 +23,6 @@
   responses,
   syrupy,
   toml,
-
-  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -67,11 +65,8 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_azure_dynamic_sessions" ];
 
-  passthru.updateScript = nix-update-script {
-    extraArgs = [
-      "--version-regex"
-      "langchain-azure-dynamic-sessions==(.*)"
-    ];
+  passthru = {
+    inherit (langchain-core) updateScript;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-chroma/default.nix b/pkgs/development/python-modules/langchain-chroma/default.nix
index d5a5a53ac90f433..f9a35e759c8e870 100644
--- a/pkgs/development/python-modules/langchain-chroma/default.nix
+++ b/pkgs/development/python-modules/langchain-chroma/default.nix
@@ -7,7 +7,6 @@
   numpy,
   poetry-core,
   pytestCheckHook,
-  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -38,11 +37,8 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [ pytestCheckHook ];
 
-  passthru.updateScript = nix-update-script {
-    extraArgs = [
-      "--version-regex"
-      "langchain-chroma==(.*)"
-    ];
+  passthru = {
+    inherit (langchain-core) updateScript;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-community/default.nix b/pkgs/development/python-modules/langchain-community/default.nix
index 8f42413117ae0f6..54de5416be1860d 100644
--- a/pkgs/development/python-modules/langchain-community/default.nix
+++ b/pkgs/development/python-modules/langchain-community/default.nix
@@ -91,7 +91,7 @@ buildPythonPackage rec {
   pytestFlagsArray = [ "tests/unit_tests" ];
 
   passthru = {
-    updateScript = langchain-core.updateScript;
+    inherit (langchain-core) updateScript;
   };
 
   __darwinAllowLocalNetworking = true;
diff --git a/pkgs/development/python-modules/langchain-core/default.nix b/pkgs/development/python-modules/langchain-core/default.nix
index 0d835c4078c5eb9..1149c31f382ec5b 100644
--- a/pkgs/development/python-modules/langchain-core/default.nix
+++ b/pkgs/development/python-modules/langchain-core/default.nix
@@ -83,15 +83,25 @@ buildPythonPackage rec {
   '';
 
   passthru = {
+    # Updates to core tend to drive updates in everything else
     updateScript = writeScript "update.sh" ''
       #!/usr/bin/env nix-shell
       #!nix-shell -i bash -p nix-update
 
       set -u -o pipefail +e
+      # Common core
       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
       nix-update --commit --version-regex 'langchain-community==(.*)' python3Packages.langchain-community
+
+      # Extensions
+      nix-update --commit --version-regex 'langchain-aws==(.*)' python3Packages.langchain-aws
+      nix-update --commit --version-regex 'langchain-azure-dynamic-sessions==(.*)' python3Packages.langchain-azure-dynamic-sessions
+      nix-update --commit --version-regex 'langchain-chroma==(.*)' python3Packages.langchain-chroma
+      nix-update --commit --version-regex 'langchain-huggingface==(.*)' python3Packages.langchain-huggingface
+      nix-update --commit --version-regex 'langchain-mongodb==(.*)' python3Packages.langchain-mongodb
+      nix-update --commit --version-regex 'langchain-openai==(.*)' python3Packages.langchain-openai
     '';
   };
 
diff --git a/pkgs/development/python-modules/langchain-huggingface/default.nix b/pkgs/development/python-modules/langchain-huggingface/default.nix
index 51f201ea694fc8b..91866b4121128c3 100644
--- a/pkgs/development/python-modules/langchain-huggingface/default.nix
+++ b/pkgs/development/python-modules/langchain-huggingface/default.nix
@@ -26,8 +26,6 @@
   responses,
   syrupy,
   toml,
-
-  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -73,11 +71,8 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_huggingface" ];
 
-  passthru.updateScript = nix-update-script {
-    extraArgs = [
-      "--version-regex"
-      "langchain-huggingface==(.*)"
-    ];
+  passthru = {
+    inherit (langchain-core) updateScript;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-mongodb/default.nix b/pkgs/development/python-modules/langchain-mongodb/default.nix
index cf99e1fdf16da1c..0a064621887c64b 100644
--- a/pkgs/development/python-modules/langchain-mongodb/default.nix
+++ b/pkgs/development/python-modules/langchain-mongodb/default.nix
@@ -18,8 +18,6 @@
   pytestCheckHook,
   pytest-mock,
   syrupy,
-
-  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -58,11 +56,8 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_mongodb" ];
 
-  passthru.updateScript = nix-update-script {
-    extraArgs = [
-      "--version-regex"
-      "langchain-mongodb==(.*)"
-    ];
+  passthru = {
+    inherit (langchain-core) updateScript;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-openai/default.nix b/pkgs/development/python-modules/langchain-openai/default.nix
index 1410e72aeac1b7d..82f0a776208a5c7 100644
--- a/pkgs/development/python-modules/langchain-openai/default.nix
+++ b/pkgs/development/python-modules/langchain-openai/default.nix
@@ -24,8 +24,6 @@
   responses,
   syrupy,
   toml,
-
-  nix-update-script,
 }:
 
 buildPythonPackage rec {
@@ -89,11 +87,8 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_openai" ];
 
-  passthru.updateScript = nix-update-script {
-    extraArgs = [
-      "--version-regex"
-      "langchain-openai==(.*)"
-    ];
+  passthru = {
+    inherit (langchain-core) updateScript;
   };
 
   meta = {