diff --git a/packages/mewbo_core/pyproject.toml b/packages/mewbo_core/pyproject.toml
index 1ef4fff6..d5056888 100644
--- a/packages/mewbo_core/pyproject.toml
+++ b/packages/mewbo_core/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
   "langchain>=1.0.0,<2.0.0",
   "langchain-core>=1.2.8,<2.0.0",
   "langchain-community>=0.4.1,<0.5.0",
-  "langchain-litellm>=0.4.0,<0.7.0",
+  "langchain-litellm>=0.4.0,<0.8.0",
   "langfuse>=3.8.0,<5.0.0",
   "litellm>=1.81.0,<2.0.0",
   "loguru>=0.7.2,<1.0.0",