diff --git a/Gopkg.toml b/Gopkg.toml
index 337f38647b674477ecaff63ffbaffde951e289c7..9ff999fa5add335de35658e081b656adbd512106 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -25,7 +25,7 @@
 #   unused-packages = true
 
 [[constraint]]
-  branch = "master"
+  branch = "exchange-2016-support"
   name = "code.vereign.com/code/restful-api"
 
 [prune]