diff --git a/shard.yml b/shard.yml
index 34ae058..4fa51e7 100644
--- a/shard.yml
+++ b/shard.yml
@@ -15,7 +15,6 @@ dependencies:
     github: crystal-china/base58.cr
   sixteen:
     github: ralsina/sixteen
-    branch: main
   docopt:
     github: chenkovsky/docopt.cr