diff --git a/alexi/annotate.py b/alexi/annotate.py
index 831a93a..9ec71f6 100644
--- a/alexi/annotate.py
+++ b/alexi/annotate.py
@@ -10,8 +10,8 @@
 from pathlib import Path
 from typing import Any
 
-import pypdfium2 as pdfium
-import pypdfium2.raw as pdfium_c
+import pypdfium2 as pdfium  # type: ignore
+import pypdfium2.raw as pdfium_c  # type: ignore
 
 from alexi.analyse import group_iob
 from alexi.convert import Converteur, write_csv