diff --git a/pyproject.toml b/pyproject.toml
index 3dd5df4ea..3ee165577 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers = [
 ]
 dependencies = [
     "huggingface_hub",
-    "lightrag-hku<1.5",
+    "lightrag-hku<1.6",
     "mineru[core]",
     "tqdm",
 ]