diff --git a/pkgs/development/python-modules/langchain-anthropic/default.nix b/pkgs/development/python-modules/langchain-anthropic/default.nix
index 69feac9399db..a0d9e62488cc 100644
--- a/pkgs/development/python-modules/langchain-anthropic/default.nix
+++ b/pkgs/development/python-modules/langchain-anthropic/default.nix
@@ -60,8 +60,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_anthropic" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-anthropic==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-anthropic==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-aws/default.nix b/pkgs/development/python-modules/langchain-aws/default.nix
index 3fd7fe81c479..27ec01997618 100644
--- a/pkgs/development/python-modules/langchain-aws/default.nix
+++ b/pkgs/development/python-modules/langchain-aws/default.nix
@@ -69,8 +69,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_aws" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-aws==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-aws==";
+    };
   };
 
   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 f404c0562d97..dafa4f5af501 100644
--- a/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix
+++ b/pkgs/development/python-modules/langchain-azure-dynamic-sessions/default.nix
@@ -30,14 +30,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-azure-dynamic-sessions";
-  version = "0.3.72";
+  version = "0.2.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-azure-dynamic-sessions==${version}";
+    hash = "sha256-tgvoOSr4tpi+tFBan+kw8FZUfUJHcQXv9e1nyeGP0so=";
   };
 
   sourceRoot = "${src.name}/libs/partners/azure-dynamic-sessions";
@@ -74,8 +74,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_azure_dynamic_sessions" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-azure-dynamic-sessions==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-azure-dynamic-sessions==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-chroma/default.nix b/pkgs/development/python-modules/langchain-chroma/default.nix
index 211cb58a1c78..2365b18fcd19 100644
--- a/pkgs/development/python-modules/langchain-chroma/default.nix
+++ b/pkgs/development/python-modules/langchain-chroma/default.nix
@@ -64,8 +64,12 @@ buildPythonPackage rec {
     "test_chroma_update_document"
   ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-chroma==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-chroma==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-core/default.nix b/pkgs/development/python-modules/langchain-core/default.nix
index 25c111f5826e..80ef77828e11 100644
--- a/pkgs/development/python-modules/langchain-core/default.nix
+++ b/pkgs/development/python-modules/langchain-core/default.nix
@@ -90,7 +90,8 @@ buildPythonPackage rec {
     tests.pytest = langchain-core.overridePythonAttrs (_: {
       doCheck = true;
     });
-
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
     updateScript = gitUpdater {
       rev-prefix = "langchain-core==";
     };
diff --git a/pkgs/development/python-modules/langchain-deepseek/default.nix b/pkgs/development/python-modules/langchain-deepseek/default.nix
index f26769315352..e6978addf2e8 100644
--- a/pkgs/development/python-modules/langchain-deepseek/default.nix
+++ b/pkgs/development/python-modules/langchain-deepseek/default.nix
@@ -22,14 +22,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-deepseek";
-  version = "0.3.72";
+  version = "0.1.4";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-deepseek==${version}";
+    hash = "sha256-lIlThVpyZF5osiCyYMO8kQUNtG5eUjXGZLdgRraj4Yc=";
   };
 
   sourceRoot = "${src.name}/libs/partners/deepseek";
@@ -60,8 +60,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_deepseek" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-deepseek==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-deepseek==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-fireworks/default.nix b/pkgs/development/python-modules/langchain-fireworks/default.nix
index 48a221a7766c..3a614511e244 100644
--- a/pkgs/development/python-modules/langchain-fireworks/default.nix
+++ b/pkgs/development/python-modules/langchain-fireworks/default.nix
@@ -24,14 +24,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-fireworks";
-  version = "0.3.72";
+  version = "0.3.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-fireworks==${version}";
+    hash = "sha256-OZou323FAk2I4YuQV7sllbzDwFQWy/90FK3gIHnEBd0=";
   };
 
   sourceRoot = "${src.name}/libs/partners/fireworks";
@@ -62,8 +62,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_fireworks" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-fireworks==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-fireworks==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-google-genai/default.nix b/pkgs/development/python-modules/langchain-google-genai/default.nix
index 9ebf4abbc76d..37f2485556ba 100644
--- a/pkgs/development/python-modules/langchain-google-genai/default.nix
+++ b/pkgs/development/python-modules/langchain-google-genai/default.nix
@@ -72,8 +72,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_google_genai" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "libs/genai/v";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "libs/genai/v";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-groq/default.nix b/pkgs/development/python-modules/langchain-groq/default.nix
index e0bdf7d2db2b..fbd1d646b8ea 100644
--- a/pkgs/development/python-modules/langchain-groq/default.nix
+++ b/pkgs/development/python-modules/langchain-groq/default.nix
@@ -54,8 +54,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_groq" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-groq==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-groq==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-huggingface/default.nix b/pkgs/development/python-modules/langchain-huggingface/default.nix
index c6953f29790e..e8a1dd68fc1a 100644
--- a/pkgs/development/python-modules/langchain-huggingface/default.nix
+++ b/pkgs/development/python-modules/langchain-huggingface/default.nix
@@ -80,8 +80,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_huggingface" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-huggingface==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-huggingface==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-mistralai/default.nix b/pkgs/development/python-modules/langchain-mistralai/default.nix
index e7e45057e77c..e8e67b354643 100644
--- a/pkgs/development/python-modules/langchain-mistralai/default.nix
+++ b/pkgs/development/python-modules/langchain-mistralai/default.nix
@@ -24,14 +24,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-mistralai";
-  version = "0.3.72";
+  version = "0.2.11";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-mistralai==${version}";
+    hash = "sha256-14mYvW7j2hxAFZanRhuuo1seX6E4+tAuEPExDbdwHKg=";
   };
 
   sourceRoot = "${src.name}/libs/partners/mistralai";
@@ -62,8 +62,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_mistralai" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-mistralai==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-mistralai==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-mongodb/default.nix b/pkgs/development/python-modules/langchain-mongodb/default.nix
index 212efde0e232..293aebc76c04 100644
--- a/pkgs/development/python-modules/langchain-mongodb/default.nix
+++ b/pkgs/development/python-modules/langchain-mongodb/default.nix
@@ -25,14 +25,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-mongodb";
-  version = "0.3.72";
+  version = "0.2.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-mongodb==${version}";
+    hash = "sha256-Jd9toXkS9dGtSIrJQ/5W+swV1z2BJOJKBtkyGzj3oSc=";
   };
 
   sourceRoot = "${src.name}/libs/partners/mongodb";
@@ -66,8 +66,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_mongodb" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-mongodb==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-mongodb==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-ollama/default.nix b/pkgs/development/python-modules/langchain-ollama/default.nix
index d76f1cef40c4..63f58a0be5ad 100644
--- a/pkgs/development/python-modules/langchain-ollama/default.nix
+++ b/pkgs/development/python-modules/langchain-ollama/default.nix
@@ -22,14 +22,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-ollama";
-  version = "0.3.72";
+  version = "0.3.6";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-ollama==${version}";
+    hash = "sha256-GQkyJaYvwRbjDR0Rfen7/X5hFhY2+WU74B6/9Ufhpo4=";
   };
 
   sourceRoot = "${src.name}/libs/partners/ollama";
@@ -60,8 +60,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_ollama" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-ollama==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-ollama==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-openai/default.nix b/pkgs/development/python-modules/langchain-openai/default.nix
index 142098443e91..2e6bb2ab23fe 100644
--- a/pkgs/development/python-modules/langchain-openai/default.nix
+++ b/pkgs/development/python-modules/langchain-openai/default.nix
@@ -32,14 +32,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-openai";
-  version = "0.3.72";
+  version = "0.3.28";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-openai==${version}";
+    hash = "sha256-HpAdCHxmfGJcqXArvtlYagNuEBGBjrbICIwh9nI0qMQ=";
   };
 
   sourceRoot = "${src.name}/libs/partners/openai";
@@ -102,8 +102,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_openai" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-openai==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-openai==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-perplexity/default.nix b/pkgs/development/python-modules/langchain-perplexity/default.nix
index 79f6078643a5..9638e5aa883d 100644
--- a/pkgs/development/python-modules/langchain-perplexity/default.nix
+++ b/pkgs/development/python-modules/langchain-perplexity/default.nix
@@ -23,14 +23,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-perplexity";
-  version = "0.3.72";
+  version = "0.1.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-perplexity==${version}";
+    hash = "sha256-4KYLyhGbG8Y8cDGffE4/8OM61eAKRFTgxKDKMTQExic=";
   };
 
   sourceRoot = "${src.name}/libs/partners/perplexity";
@@ -60,8 +60,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_perplexity" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-perplexity==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-perplexity==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-tests/default.nix b/pkgs/development/python-modules/langchain-tests/default.nix
index 42afbb15a0cc..c9c3659a7ae3 100644
--- a/pkgs/development/python-modules/langchain-tests/default.nix
+++ b/pkgs/development/python-modules/langchain-tests/default.nix
@@ -30,14 +30,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-tests";
-  version = "0.3.72";
+  version = "0.3.20";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-tests==${version}";
+    hash = "sha256-RMuxWA/n8d71FReFKO3Y/5P0MYk4aZ5WU2/TRxf9UuE=";
   };
 
   sourceRoot = "${src.name}/libs/standard-tests";
@@ -72,8 +72,12 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-tests==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-tests==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-text-splitters/default.nix b/pkgs/development/python-modules/langchain-text-splitters/default.nix
index 53ddcc2ae78c..763e473267e3 100644
--- a/pkgs/development/python-modules/langchain-text-splitters/default.nix
+++ b/pkgs/development/python-modules/langchain-text-splitters/default.nix
@@ -20,14 +20,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-text-splitters";
-  version = "0.3.72";
+  version = "0.3.9";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-text-splitters==${version}";
+    hash = "sha256-dMGvGZyux38Svl0OYgiAoYLdAf0lv27lzXgHFTBp3cs=";
   };
 
   sourceRoot = "${src.name}/libs/text-splitters";
@@ -52,8 +52,12 @@ buildPythonPackage rec {
 
   enabledTestPaths = [ "tests/unit_tests" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-text-splitters==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-text-splitters==";
+    };
   };
 
   meta = {
diff --git a/pkgs/development/python-modules/langchain-xai/default.nix b/pkgs/development/python-modules/langchain-xai/default.nix
index 9d61f9437079..6769f74c3440 100644
--- a/pkgs/development/python-modules/langchain-xai/default.nix
+++ b/pkgs/development/python-modules/langchain-xai/default.nix
@@ -25,14 +25,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-xai";
-  version = "0.3.72";
+  version = "0.2.5";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
-    tag = "langchain-core==${version}";
-    hash = "sha256-Q2uGMiODUtwkPdOyuSqp8vqjlLjiXk75QjXp7rr20tc=";
+    tag = "langchain-xai==${version}";
+    hash = "sha256-nae7KwCKjkvenOO8vErxFQStHolc+N8EUuK6U8r48Kc=";
   };
 
   sourceRoot = "${src.name}/libs/partners/xai";
@@ -70,8 +70,12 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "langchain_xai" ];
 
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "langchain-xai==";
+  passthru = {
+    # python updater script sets the wrong tag
+    skipBulkUpdate = true;
+    updateScript = gitUpdater {
+      rev-prefix = "langchain-xai==";
+    };
   };
 
   meta = {