diff --git a/cast_checks/Cargo.toml b/cast_checks/Cargo.toml
index 4816d6b..118fd98 100644
--- a/cast_checks/Cargo.toml
+++ b/cast_checks/Cargo.toml
@@ -13,7 +13,7 @@ cast_checks_macro = { version = "=0.1.6", path = "../macro" }
 
 [dev-dependencies]
 assert_cmd = "2.0"
-ctor = "0.12"
+ctor = "1.0"
 predicates = "3.0"
 regex = "1.9"
 tempfile = "3.8"