diff --git a/deps/rabbitmq_auth_mechanism_ssl/.hgignore b/deps/rabbitmq_auth_mechanism_ssl/.hgignore
index fc81f703b6..ebfe40278d 100644
--- a/deps/rabbitmq_auth_mechanism_ssl/.hgignore
+++ b/deps/rabbitmq_auth_mechanism_ssl/.hgignore
@@ -4,3 +4,4 @@
 ^dist/
 ^cover/
 ^erl_crash.dump$
+^ebin/rabbitmq_auth_mechanism_ssl\.app$