diff --git a/build.sh b/build.sh
index 2684c0d..ae3e86a 100644
--- a/build.sh
+++ b/build.sh
@@ -23,7 +23,7 @@ make
 make install
 
 # Install mxml-4.0.4.zip
-sudo apt-get install libmxml-dev
+sudo apt-get install libmxml-dev -y
 
 #cd "$SCRIPT_DIR/3rdparty"
 #rm -rf mxml-4.0.4