diff --git a/pyproject.toml b/pyproject.toml
index f5ac2cf7..7ef0282f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,11 +57,11 @@ dependencies = [
     "torch == 2.2.2",
     "uvicorn == 0.17.6",
     "aiohttp ~= 3.9.0",
-    "langchain <= 0.2.0",
+    "langchain == 0.2.5",
     "langchain-openai == 0.1.7",
-    "langchain-community == 0.0.27",
-    "tenacity == 8.3.0",
+    "langchain-community == 0.2.5",
     "requests >= 2.26.0",
+    "tenacity == 8.3.0",
     "anyio == 3.7.1",
     "pymupdf >= 1.23.5",
     "django == 4.2.11",