diff --git a/shard.yml b/shard.yml
index 1078ef5..63af622 100644
--- a/shard.yml
+++ b/shard.yml
@@ -4,7 +4,7 @@ version: 0.1.0
 authors:
   - Kanezoh <asfaltmanta114@gmail.com>
 
-crystal: 0.36.1
+crystal: 1.0.0
 
 license: MIT