diff --git a/.gitignore b/.gitignore
index a2cea037..020153c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
+# Ignore pdfium library:
+libpdfium.dylib
+libpdfium.so
+libpdfium.dll
+
 # User-specific files
 *.rsuser
 *.suo