diff --git a/Makefile b/Makefile
index d648769..4527ac9 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,9 @@ KEYSTORE	= ~/android-keystore.jks
 lab:
 	ionic serve -lc
 
+prepare:
+	ionic cordova prepare android --prod
+
 device:
 	ionic cordova run android -lc --address 0.0.0.0 --device