diff --git a/.hgignore b/.hgignore
index 666c5c38..92437a1f 100644
--- a/.hgignore
+++ b/.hgignore
@@ -16,6 +16,8 @@ lib/libgnu.a
 lib/unistd.h
 lib/stdbool.h
 lib/stdint.h
+lib/stdlib.h
+lib/string.h
 lib/wchar.h
 md5/.deps
 md5/*.o