diff --git a/pyproject.toml b/pyproject.toml
index 3fcd916..2b558cc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ license-files = ["LICENSE"]
 requires-python = ">=3.12"
 dependencies = [
     "flask==3.1.3",
-    "pymupdf==1.25.2",
+    "pymupdf==1.28.2",
     "pdf2zh-next==2.9.0",
     "tomlkit==0.13.3",
 ]