diff --git a/deploy.sh b/deploy.sh
index c6566de1fad64eba1ace37d21dadccc2101fa523..9a32e4fd35a80701629856e1735077c928089eb2 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -2,11 +2,11 @@
 
 ## 1. java version
 java -version
-echo "\n"
+printf "\n"
 
 ## 2. mvn version
 mvn -version
-echo "\n"
+printf "\n"
 
 ## 3. deploy
 mvn clean package deploy -Prelease -pl mica-mqtt-codec,mica-mqtt-core,mica-mqtt-spring-boot-starter