diff --git a/pyproject.toml b/pyproject.toml
index 3d5ba45f..e183932e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ httpx = ">=0.23.0" # May be able to decrease this version
 fastapi = {version = ">=0.90.1,<1", optional = true}
 sse-starlette = {version = "^1.3.0", optional = true}
 pydantic = ">=1"
-langchain-core = ">=0.1,<3"
+langchain-core = ">=0.1,<0.3"
 orjson = ">=2"
 pyproject-toml = "^0.0.10"