diff --git a/pyproject.toml b/pyproject.toml
index d3f8bde..bccae21 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ requires-python = ">=3.11"
 readme = "README.md"
 dependencies = [
     "ocrmypdf>=16.12.0",
-    "pikepdf>=9.0.0",
+    "pikepdf>=10.5.1",
     "fastapi>=0.115",
     "uvicorn[standard]>=0.32",
     "python-multipart>=0.0.10",