diff --git a/shard.yml b/shard.yml
index ba93cc6..3bf0553 100644
--- a/shard.yml
+++ b/shard.yml
@@ -13,6 +13,6 @@ development_dependencies:
     github: crystal-ameba/ameba
     version: ~> 1.3.0
 
-crystal: 1.7.3
+crystal: 1.9.2
 
 license: MIT