diff --git a/.gitignore b/.gitignore
index 5eb00830..10679953 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,4 +27,5 @@ hs_err_pid*
 docker/data
 !device-simulator.jar
 !demo-protocol-1.0.jar
-application-local.yml
\ No newline at end of file
+application-local.yml
+dev/
\ No newline at end of file