diff --git a/packages.txt b/packages.txt
index 68a7ef2ef7543219283f70645ac8a7c71ea699cb..aba28b7d08772a7401735b5c6e7ecb31d3206cc5 100644
--- a/packages.txt
+++ b/packages.txt
@@ -3,5 +3,6 @@ build-tools;25.0.3
 extras;android;m2repository
 extras;google;google_play_services
 extras;google;m2repository
+extras;m2repository;com;android;support;constraint;constraint-layout;1.0.2
 platform-tools
 platforms;android-25