diff --git a/pkgs/development/python-modules/langchain-tests/default.nix b/pkgs/development/python-modules/langchain-tests/default.nix
index 7c6bb1762386..2b3862edd3ee 100644
--- a/pkgs/development/python-modules/langchain-tests/default.nix
+++ b/pkgs/development/python-modules/langchain-tests/default.nix
@@ -10,6 +10,10 @@
   httpx,
   langchain-core,
   syrupy,
+  pytest-benchmark,
+  pytest-codspeed,
+  pytest-recording,
+  vcrpy,
 
   # buildInputs
   pytest,
@@ -26,14 +30,14 @@
 
 buildPythonPackage rec {
   pname = "langchain-tests";
-  version = "0.3.19";
+  version = "0.3.20";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "langchain-ai";
     repo = "langchain";
     tag = "langchain-tests==${version}";
-    hash = "sha256-DSTngWRFseJ6kSAY7Lxxkh77QFr0jhHxG3mH89QmdxA=";
+    hash = "sha256-RMuxWA/n8d71FReFKO3Y/5P0MYk4aZ5WU2/TRxf9UuE=";
   };
 
   sourceRoot = "${src.name}/libs/standard-tests";
@@ -51,8 +55,12 @@ buildPythonPackage rec {
     httpx
     langchain-core
     pytest-asyncio
+    pytest-benchmark
+    pytest-codspeed
+    pytest-recording
     pytest-socket
     syrupy
+    vcrpy
   ];
 
   buildInputs = [ pytest ];