diff --git a/vhost-device-scmi/src/scmi.rs b/vhost-device-scmi/src/scmi.rs
index da30463..1a143a7 100644
--- a/vhost-device-scmi/src/scmi.rs
+++ b/vhost-device-scmi/src/scmi.rs
@@ -314,7 +314,7 @@ impl HandlerMap {
         map
     }
 
-    fn keys(&self) -> std::collections::hash_map::Keys<(u8, u8), HandlerInfo> {
+    fn keys(&self) -> std::collections::hash_map::Keys<'_, (u8, u8), HandlerInfo> {
         self.0.keys()
     }