diff --git a/set1/challenge7_aes_ecb/Cargo.toml b/set1/challenge7_aes_ecb/Cargo.toml
index 5ff5361..f0a54f0 100644
--- a/set1/challenge7_aes_ecb/Cargo.toml
+++ b/set1/challenge7_aes_ecb/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2021"
 authors = ["Thomas Lindner <tom@dl6tom.de>"]
 
 [dependencies]
-aes = "0.8.3"
+aes = "0.8"
 common = { path = "../../common" }
 log = "0.4"
 env_logger = "0.10"