diff --git a/pyproject.toml b/pyproject.toml
index 73ea19e3..f5ac2cf7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,8 +58,9 @@ dependencies = [
     "uvicorn == 0.17.6",
     "aiohttp ~= 3.9.0",
     "langchain <= 0.2.0",
-    "langchain-openai >= 0.0.5",
+    "langchain-openai == 0.1.7",
     "langchain-community == 0.0.27",
+    "tenacity == 8.3.0",
     "requests >= 2.26.0",
     "anyio == 3.7.1",
     "pymupdf >= 1.23.5",