diff --git a/pkgs/development/python-modules/langchain-aws/default.nix b/pkgs/development/python-modules/langchain-aws/default.nix
index 1f2902b15b59..a2fbe8323182 100644
--- a/pkgs/development/python-modules/langchain-aws/default.nix
+++ b/pkgs/development/python-modules/langchain-aws/default.nix
@@ -66,6 +66,8 @@ buildPythonPackage rec {
 
   passthru = {
     inherit (langchain-core) updateScript;
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   meta = {
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 c66ac3e257ad..d38b2c604000 100644
--- a/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix
+++ b/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix
@@ -67,6 +67,8 @@ buildPythonPackage rec {
 
   passthru = {
     inherit (langchain-core) updateScript;
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-chroma/default.nix b/pkgs/development/python-modules/langchain-chroma/default.nix
index a9edede538b5..53641f07cf33 100644
--- a/pkgs/development/python-modules/langchain-chroma/default.nix
+++ b/pkgs/development/python-modules/langchain-chroma/default.nix
@@ -52,6 +52,8 @@ buildPythonPackage rec {
 
   passthru = {
     inherit (langchain-core) updateScript;
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-community/default.nix b/pkgs/development/python-modules/langchain-community/default.nix
index 82370da5f926..5a6ffe34c2be 100644
--- a/pkgs/development/python-modules/langchain-community/default.nix
+++ b/pkgs/development/python-modules/langchain-community/default.nix
@@ -98,6 +98,8 @@ buildPythonPackage rec {
 
   passthru = {
     inherit (langchain-core) updateScript;
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   __darwinAllowLocalNetworking = true;
diff --git a/pkgs/development/python-modules/langchain-core/default.nix b/pkgs/development/python-modules/langchain-core/default.nix
index 49c3dbf3c2d5..d1a5c9f77b64 100644
--- a/pkgs/development/python-modules/langchain-core/default.nix
+++ b/pkgs/development/python-modules/langchain-core/default.nix
@@ -110,6 +110,8 @@ buildPythonPackage rec {
       nix-update --commit --version-regex 'langchain-mongodb==(.*)' python3Packages.langchain-mongodb
       nix-update --commit --version-regex 'langchain-openai==(.*)' python3Packages.langchain-openai
     '';
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   disabledTests =
diff --git a/pkgs/development/python-modules/langchain-huggingface/default.nix b/pkgs/development/python-modules/langchain-huggingface/default.nix
index f191347cbcbf..1ed4271ad784 100644
--- a/pkgs/development/python-modules/langchain-huggingface/default.nix
+++ b/pkgs/development/python-modules/langchain-huggingface/default.nix
@@ -73,6 +73,8 @@ buildPythonPackage rec {
 
   passthru = {
     inherit (langchain-core) updateScript;
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-mongodb/default.nix b/pkgs/development/python-modules/langchain-mongodb/default.nix
index 2a1b2354276c..dbe90af0c79d 100644
--- a/pkgs/development/python-modules/langchain-mongodb/default.nix
+++ b/pkgs/development/python-modules/langchain-mongodb/default.nix
@@ -62,6 +62,8 @@ buildPythonPackage rec {
 
   passthru = {
     inherit (langchain-core) updateScript;
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-ollama/default.nix b/pkgs/development/python-modules/langchain-ollama/default.nix
index f4eebf394d94..22d33a192032 100644
--- a/pkgs/development/python-modules/langchain-ollama/default.nix
+++ b/pkgs/development/python-modules/langchain-ollama/default.nix
@@ -56,6 +56,8 @@ buildPythonPackage rec {
       "--version-regex"
       "langchain-ollama==(.*)"
     ];
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-openai/default.nix b/pkgs/development/python-modules/langchain-openai/default.nix
index ab05ff93820c..14530258f51a 100644
--- a/pkgs/development/python-modules/langchain-openai/default.nix
+++ b/pkgs/development/python-modules/langchain-openai/default.nix
@@ -91,6 +91,8 @@ buildPythonPackage rec {
 
   passthru = {
     inherit (langchain-core) updateScript;
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-text-splitters/default.nix b/pkgs/development/python-modules/langchain-text-splitters/default.nix
index 9e546b7c09cb..e3088d5acccb 100644
--- a/pkgs/development/python-modules/langchain-text-splitters/default.nix
+++ b/pkgs/development/python-modules/langchain-text-splitters/default.nix
@@ -45,6 +45,8 @@ buildPythonPackage rec {
 
   passthru = {
     inherit (langchain-core) updateScript;
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain/default.nix b/pkgs/development/python-modules/langchain/default.nix
index 6723d53d9f10..5a8988e7793c 100644
--- a/pkgs/development/python-modules/langchain/default.nix
+++ b/pkgs/development/python-modules/langchain/default.nix
@@ -136,6 +136,8 @@ buildPythonPackage rec {
 
   passthru = {
     updateScript = langchain-core.updateScript;
+    # updates the wrong fetcher rev attribute
+    skipBulkUpdate = true;
   };
 
   meta = {