diff --git a/.gitignore b/.gitignore
index 7f9053c..ebba5bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,6 @@ deps
 .local_dialyzer_plt
 dialyzer_unhandled_warnings
 dialyzer_warnings
+_build/
+rebar.lock
+*.crashdump