diff --git a/go.mod b/go.mod
index d3e151e..8b6ac5f 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,6 @@ module github.com/go-ap/activitypub
 
 require (
 	github.com/buger/jsonparser v0.0.0-20181023193515-52c6e1462ebd
-	github.com/go-ap/activitystreams v0.0.0-20190516090843-3642d2156356
+	github.com/go-ap/activitystreams v0.0.0-20190518143508-14d9cc820bac
 	github.com/go-ap/jsonld v0.0.0-20190306111347-fbb94302fe92
 )