diff --git a/pkgs/development/python-modules/langchain-aws/default.nix b/pkgs/development/python-modules/langchain-aws/default.nix
index 767f2262c287..7e65e82eefeb 100644
--- a/pkgs/development/python-modules/langchain-aws/default.nix
+++ b/pkgs/development/python-modules/langchain-aws/default.nix
@@ -45,6 +45,11 @@ buildPythonPackage rec {
     numpy
   ];
 
+  pythonRelaxDeps = [
+    # Boto @ 1.35 has outstripped the version requirement
+    "boto3"
+  ];
+
   nativeCheckInputs = [
     langchain-standard-tests
     pytest-asyncio
diff --git a/pkgs/development/python-modules/langchain-community/default.nix b/pkgs/development/python-modules/langchain-community/default.nix
index 6d29c6e12ffd..c27c61afe939 100644
--- a/pkgs/development/python-modules/langchain-community/default.nix
+++ b/pkgs/development/python-modules/langchain-community/default.nix
@@ -38,14 +38,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-community";
-  version = "0.3.1";
+  version = "0.3.3";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     rev = "refs/tags/langchain-community==${version}";
-    hash = "sha256-h7+89w8PkSpFxGGQKFC6FuB6Q2B27EYgLk0aiPqwp4s=";
+    hash = "sha256-xWr4v+4gL8LAegqerQc1SdAynPk5X8qLlPF211+OBvY=";
   };
 
   sourceRoot = "${src.name}/libs/community";
diff --git a/pkgs/development/python-modules/langchain-core/default.nix b/pkgs/development/python-modules/langchain-core/default.nix
index 78a0cf0f026f..49ad6cf3c7a1 100644
--- a/pkgs/development/python-modules/langchain-core/default.nix
+++ b/pkgs/development/python-modules/langchain-core/default.nix
@@ -34,14 +34,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-core";
-  version = "0.3.7";
+  version = "0.3.12";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     rev = "refs/tags/langchain-core==${version}";
-    hash = "sha256-s2tqBJpWJNy0SnHWt0RQowmRbBD+7zqFEeDuFrUzr2U=";
+    hash = "sha256-WWzEIP/JirA4btYVy4+U7PSg6S8VnkZqxPLgLriWbTY=";
   };
 
   sourceRoot = "${src.name}/libs/core";
@@ -119,6 +119,15 @@ buildPythonPackage rec {
       # TypeError: exceptions must be derived from Warning, not <class 'NoneType'>
       "test_chat_prompt_template_variable_names"
       "test_create_model_v2"
+
+      # Comparison with magic strings
+      "test_prompt_with_chat_model"
+      "test_prompt_with_chat_model_async"
+      "test_prompt_with_llm"
+      "test_prompt_with_llm_parser"
+      "test_prompt_with_llm_and_async_lambda"
+      "test_prompt_with_chat_model_and_parser"
+      "test_combining_sequences"
     ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [
       # Langchain-core the following tests due to the test comparing execution time with magic values.
diff --git a/pkgs/development/python-modules/langchain-openai/default.nix b/pkgs/development/python-modules/langchain-openai/default.nix
index 7b0e88098b0b..29c16ce6ee4a 100644
--- a/pkgs/development/python-modules/langchain-openai/default.nix
+++ b/pkgs/development/python-modules/langchain-openai/default.nix
@@ -28,14 +28,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-openai";
-  version = "0.2.1";
+  version = "0.2.3";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     rev = "refs/tags/langchain-openai==${version}";
-    hash = "sha256-M1gyw0Nmh+aLU9scbuqmK2kPyfwtaFaCfue+T8PLguQ=";
+    hash = "sha256-ENQOKvp9XJTTC34UoNO4LLvcBwfFRcbOAvX/qtzln6k=";
   };
 
   sourceRoot = "${src.name}/libs/partners/openai";
diff --git a/pkgs/development/python-modules/langchain/default.nix b/pkgs/development/python-modules/langchain/default.nix
index e96e44365e04..3d0ae4b72f48 100644
--- a/pkgs/development/python-modules/langchain/default.nix
+++ b/pkgs/development/python-modules/langchain/default.nix
@@ -42,14 +42,14 @@
 
 buildPythonPackage rec {
   pname = "langchain";
-  version = "0.3.1";
+  version = "0.3.4";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     rev = "refs/tags/langchain==${version}";
-    hash = "sha256-Zg+9ZwzTDKCyfz4T/tVIGfRUUmkE939hocxSWpFRngQ=";
+    hash = "sha256-MRpXR4nQDobzofhzkU5Y2OiEsi+VdjCcF/vcxcG/144=";
   };
 
   sourceRoot = "${src.name}/libs/langchain";