diff --git a/.gitignore b/.gitignore
index 4a613c6d5459..7a7b6d9dc61a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 *.beam
 .erlang.mk/
 cover/
+debug/
 deps/
 doc/
 ebin/