diff --git a/pyproject.toml b/pyproject.toml
index 55c020b..8ea0f14 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
 name = "kegg-rag"
 version = "1"
 requires-python = ">=3.12"
-dependencies = ["niquests~=3.12.0", "pydantic-settings~=2.7.0", "parsel~=1.9.1"]
+dependencies = ["niquests~=3.12.0", "pydantic-settings~=2.9.0", "parsel~=1.9.1"]
 
 [tool.pdm]
 distribution = true