diff --git a/drone/deliver.sh b/drone/deliver.sh
index e323108..4bdf998 100755
--- a/drone/deliver.sh
+++ b/drone/deliver.sh
@@ -34,6 +34,10 @@ esac
 
 SERV_DIR="$APP_DIR/$TYPE"
 
+#install gradle
+wget https://services.gradle.org/distributions/gradle-7.5.1-bin.zip -P /tmp
+sudo unzip -d /opt/gradle /tmp/gradle-*.zip
+export GRADLE_HOME=/opt/gradle/gradle-7.5.1/
 cordova platform add "$TYPE"
 cordova build "$TYPE" $OPTIONS
 echo "delivering outputs on server"