diff --git a/.ci/release_app.sh b/.ci/release_app.sh
index a491c57..050f908 100755
--- a/.ci/release_app.sh
+++ b/.ci/release_app.sh
@@ -12,6 +12,9 @@ SRC_DIR=`dirname $0`"/.."
 RELEASE_VERSION=${1}
 echo "Release version set to ${RELEASE_VERSION}"
 
+which npm > /dev/null
+which gulp > /dev/null
+
 sed -ri 's/(.*)<version>(.+)<\/version>/\1<version>'${RELEASE_VERSION}'<\/version>/g' ${SRC_DIR}/appinfo/info.xml
 npm install
 gulp uglify