diff --git a/Cargo.toml b/Cargo.toml
index e3da58f..5455047 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ keywords = ["sessions", "tide", "async-session", "redis"]
 categories = ["web-programming::http-server", "web-programming", "database"]
 
 [dependencies.redis]
-version = "0.21.0"
+version = "0.23.0"
 features = ["aio", "async-std-comp"]
 
 [dependencies]
diff --git a/src/lib.rs b/src/lib.rs
index 0241b08..72cc3c2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -146,7 +146,7 @@ impl SessionStore for RedisSessionStore {
 
     async fn destroy_session(&self, session: Session) -> Result {
         let mut connection = self.connection().await?;
-        let key = self.prefix_key(session.id().to_string());
+        let key = self.prefix_key(session.id());
         connection.del(key).await?;
         Ok(())
     }