diff --git a/shard.yml b/shard.yml
index 13ef4be..560a59f 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: tartrazine
-version: 0.6.1
+version: 0.6.3
 
 authors:
   - Roberto Alsina <roberto.alsina@gmail.com>
@@ -16,7 +16,6 @@ dependencies:
     github: crystal-china/base58.cr
   sixteen:
     github: ralsina/sixteen
-    branch: main
   docopt:
     github: chenkovsky/docopt.cr