diff --git a/pkgs/development/python-modules/langchain/default.nix b/pkgs/development/python-modules/langchain/default.nix
index 9dee63430512..3a1b6dcb3357 100644
--- a/pkgs/development/python-modules/langchain/default.nix
+++ b/pkgs/development/python-modules/langchain/default.nix
@@ -59,6 +59,7 @@
 , chardet
 , requests-toolbelt
 , neo4j
+, langchainplus-sdk
   # test dependencies
 , pytest-vcr
 , pytest-asyncio
@@ -70,11 +71,12 @@
 , responses
 , pexpect
 , pytestCheckHook
+, pythonRelaxDepsHook
 }:
 
 buildPythonPackage rec {
   pname = "langchain";
-  version = "0.0.188";
+  version = "0.0.193";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -83,7 +85,7 @@ buildPythonPackage rec {
     owner = "hwchase17";
     repo = "langchain";
     rev = "refs/tags/v${version}";
-    hash = "sha256-hf0pfWPXdutUKDzt56Uc0Q02TzScLAegQZ2gdR2IM/c=";
+    hash = "sha256-Qg6kFFPOk+XpLzEl3YSI9I4fPq9KB4UtQf9Khgut7FE=";
   };
 
   postPatch = ''
@@ -95,6 +97,7 @@ buildPythonPackage rec {
 
   nativeBuildInputs = [
     poetry-core
+    pythonRelaxDepsHook
   ];
 
   buildInputs = [
@@ -215,9 +218,14 @@ buildPythonPackage rec {
       # azure-ai-formrecognizer
       # azure-ai-vision
       # azure-cognitiveservices-speech
+      langchainplus-sdk
     ];
   };
 
+  pythonRelaxDeps = [
+    "langchainplus-sdk"
+  ];
+
   nativeCheckInputs = [
     pytestCheckHook
     pytest-vcr