diff --git a/blueprints/addon/files/gitignore b/blueprints/addon/files/gitignore
new file mode 100644
index 0000000000..5f4b997d11
--- /dev/null
+++ b/blueprints/addon/files/gitignore
@@ -0,0 +1,2 @@
+# broccoli-debug
+/DEBUG/
diff --git a/blueprints/app/files/gitignore b/blueprints/app/files/gitignore
index 9bab45af32..f1e859b291 100644
--- a/blueprints/app/files/gitignore
+++ b/blueprints/app/files/gitignore
@@ -27,3 +27,6 @@
 /package.json.ember-try
 /package-lock.json.ember-try
 /yarn.lock.ember-try
+
+# broccoli-debug
+/DEBUG/