diff --git a/upstream.wrap b/upstream.wrap
index eac717f..8dff958 100644
--- a/upstream.wrap
+++ b/upstream.wrap
@@ -1,4 +1,6 @@
-[wrap-git]
+[wrap-file]
 directory = cityhash-1.1.0
-url = https://google.com/cityhash.git
-revision = 8af9b8c
+
+source_url = https://github.com/google/cityhash/archive/8af9b8c.tar.gz
+source_filename = cityhash-1.3.3.tar.gz
+source_hash = a77c47153ee7de02626c5b2a097005786b71688be61e9fb81806a011f90b297b