reset default download branch to master
diff --git a/voltha b/voltha
index c00beb6..b34fb9d 100755
--- a/voltha
+++ b/voltha
@@ -32,7 +32,7 @@
 
 VOLTCTL_VERSION=${VOLTCTL_VERSION:-1.0.1}
 KIND_VERSION=${KIND_VERSION:-v0.5.1}
-VK_RELEASE=${VK_RELEASE:-2.2}
+VK_RELEASE=${VK_RELEASE:-master}
 
 BLACK=
 RED=