diff --git a/lettre_email/Cargo.toml b/lettre_email/Cargo.toml
index 4768c8b..6f54996 100644
--- a/lettre_email/Cargo.toml
+++ b/lettre_email/Cargo.toml
@@ -26,5 +26,5 @@ skeptic = "^0.13"
 email = "^0.0"
 mime = "^0.3"
 time = "^0.1"
-uuid = { version = ">=0.4, <0.6", features = ["v4"] }
+uuid = { version = "^0.6", features = ["v4"] }
 lettre = { version = "^0.8", path = "../lettre", default-features = false }