diff --git a/update-ant-build.sh b/update-ant-build.sh
index dcab100c..47126be2 100755
--- a/update-ant-build.sh
+++ b/update-ant-build.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
 # make sure your Android SDK tools path is set in SDK_BASE
-android update project -t android-19 --path . --name Orbot --subprojects
+android update project -t android-21 --path . --name Orbot --subprojects
 android update lib-project -t android-19 --path external/appcompat
 android update lib-project -t android-19 --path external/superuser-commands/RootCommands-Library/