diff --git a/pyproject.toml b/pyproject.toml
index 3fcd916..1728bed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
     "flask==3.1.3",
     "pymupdf==1.25.2",
     "pdf2zh-next==2.9.0",
-    "tomlkit==0.13.3",
+    "tomlkit==0.15.1",
 ]
 
 [project.optional-dependencies]