diff --git a/packages.txt b/packages.txt
index 4e10805037a4aa6320bb84bc4588cd616a01af8d..2563e3ea883bfe8e466ad3f0b2c607d98968945c 100644
--- a/packages.txt
+++ b/packages.txt
@@ -1,7 +1,7 @@
 add-ons;addon-google_apis-google-24
-build-tools;31.0.0
+build-tools;33.0.0
 extras;android;m2repository
 extras;google;m2repository
 extras;google;google_play_services
 extras;m2repository;com;android;support;constraint;constraint-layout;1.0.2
-platforms;android-31
+platforms;android-33