diff --git a/.hgignore b/.hgignore
index 4b97af97..5fdc865a 100644
--- a/.hgignore
+++ b/.hgignore
@@ -13,3 +13,10 @@
 /CrazyDebug.*
 /Debug.*
 /Release.*
+
+# Files generated by Mac OS X Finder
+(^|/)\.DS_Store$
+
+# Files generated by Windows Explorer
+(^|/)Desktop\.ini$
+(^|/)Thumbs\.db$