diff --git a/.gitignore b/.gitignore
index 80e6045..54f87dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 /backend/.env
 /backend/.env.*
 /backend/.cargo/
+backend/libpdfium.*
 
 # Node/Frontend
 /frontend/node_modules/