diff --git a/buildserver/config.buildserver.py b/buildserver/config.buildserver.py
index ffc9cca0..29fbe07d 100644
--- a/buildserver/config.buildserver.py
+++ b/buildserver/config.buildserver.py
@@ -1,6 +1,6 @@
 sdk_path = "/home/vagrant/android-sdk"
 ndk_path = "/home/vagrant/android-ndk"
-build_tools = "20.0.0"
+build_tools = "21.0.2"
 ant = "ant"
 mvn3 = "mvn"
 gradle = "gradle"