diff --git a/pkgs/development/python-modules/langchain-community/default.nix b/pkgs/development/python-modules/langchain-community/default.nix
index 56eba2b3cb10..8de6a934e53c 100644
--- a/pkgs/development/python-modules/langchain-community/default.nix
+++ b/pkgs/development/python-modules/langchain-community/default.nix
@@ -22,6 +22,7 @@
   tenacity,
 
   # tests
+  blockbuster,
   httpx,
   langchain-tests,
   lark,
@@ -37,25 +38,20 @@
 
 buildPythonPackage rec {
   pname = "langchain-community";
-  version = "0.3.20";
+  version = "0.3.22";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     tag = "langchain-community==${version}";
-    hash = "sha256-6YLy7G1kZIqHAGMUIQoGCfDO2ZuVgNEtpkOI1o8eFvc=";
+    hash = "sha256-fotu3vUCWnAVyjFjsIUjk1If81yQ3/YLj26PksmnvGE=";
   };
 
   sourceRoot = "${src.name}/libs/community";
 
   build-system = [ pdm-backend ];
 
-  patches = [
-    # Remove dependency on blockbuster (not available in nixpkgs due to dependency on forbiddenfruit)
-    ./rm-blockbuster.patch
-  ];
-
   pythonRelaxDeps = [
     # Each component release requests the exact latest langchain and -core.
     # That prevents us from updating individul components.
@@ -66,10 +62,6 @@ buildPythonPackage rec {
     "tenacity"
   ];
 
-  pythonRemoveDeps = [
-    "blockbuster"
-  ];
-
   dependencies = [
     aiohttp
     dataclasses-json
@@ -87,6 +79,7 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "langchain_community" ];
 
   nativeCheckInputs = [
+    blockbuster
     httpx
     langchain-tests
     lark
@@ -108,8 +101,6 @@ buildPythonPackage rec {
     # 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"
     "test_sql_database_run"
     # pydantic.errors.PydanticUserError: `SQLDatabaseToolkit` is not fully defined; you should define `BaseCache`, then call `SQLDatabaseToolkit.model_rebuild()`.
@@ -118,19 +109,21 @@ buildPythonPackage rec {
     "test_proper_inputs"
     # pydantic.errors.PydanticUserError: `NatBotChain` is not fully defined; you should define `BaseCache`, then call `NatBotChain.model_rebuild()`.
     "test_variable_key_naming"
-    # Fails due to the lack of blockbuster
-    "test_group_dependencies"
+    # Tests against magic values in dict
+    "test_serializable_mapping"
   ];
 
   disabledTestPaths = [
     # ValueError: Received unsupported arguments {'strict': None}
     "tests/unit_tests/chat_models/test_cloudflare_workersai.py"
+    # depends on Pydantic v1 notations, will not load
+    "tests/unit_tests/document_loaders/test_gitbook.py"
   ];
 
   passthru.updateScript = nix-update-script {
     extraArgs = [
       "--version-regex"
-      "^langchain-community==(.*)"
+      "langchain-community==([0-9.]+)"
     ];
   };
 
diff --git a/pkgs/development/python-modules/langchain-community/rm-blockbuster.patch b/pkgs/development/python-modules/langchain-community/rm-blockbuster.patch
deleted file mode 100644
index a8d4011210aa..000000000000
--- a/pkgs/development/python-modules/langchain-community/rm-blockbuster.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-diff --git a/tests/unit_tests/conftest.py b/tests/unit_tests/conftest.py
-index 63f3a83e0..61c2d6ce3 100644
---- a/tests/unit_tests/conftest.py
-+++ b/tests/unit_tests/conftest.py
-@@ -5,22 +5,22 @@ from importlib import util
- from typing import Dict, Sequence
- 
- import pytest
--from blockbuster import blockbuster_ctx
-+# from blockbuster import blockbuster_ctx
- from pytest import Config, Function, Parser
- 
- 
--@pytest.fixture(autouse=True)
--def blockbuster() -> Iterator[None]:
--    with blockbuster_ctx("langchain_community") as bb:
--        (
--            bb.functions["os.stat"]
--            .can_block_in("langchain_community/utils/openai.py", "is_openai_v1")
--            .can_block_in("httpx/_client.py", "_init_transport")
--        )
--        bb.functions["os.path.abspath"].can_block_in(
--            "sqlalchemy/dialects/sqlite/pysqlite.py", "create_connect_args"
--        )
--        yield
-+# @pytest.fixture(autouse=True)
-+# def blockbuster() -> Iterator[None]:
-+#     with blockbuster_ctx("langchain_community") as bb:
-+#         (
-+#             bb.functions["os.stat"]
-+#             .can_block_in("langchain_community/utils/openai.py", "is_openai_v1")
-+#             .can_block_in("httpx/_client.py", "_init_transport")
-+#         )
-+#         bb.functions["os.path.abspath"].can_block_in(
-+#             "sqlalchemy/dialects/sqlite/pysqlite.py", "create_connect_args"
-+#         )
-+#         yield