diff --git a/src/command/config/update.rs b/src/command/config/update.rs
index a13ac02..619c191 100644
--- a/src/command/config/update.rs
+++ b/src/command/config/update.rs
@@ -44,14 +44,14 @@ fn take_backup() -> Result<(), UpdateError> {
 
 async fn update_to_latest_from(mut current_revision: Revision) -> Result<(), UpdateError> {
     while let Some(next_revision) = current_revision.next() {
-        update_to(&next_revision).await?;
-        current_revision = next_revision.clone();
+        update_to(next_revision.clone()).await?;
+        current_revision = next_revision;
     }
     Ok(())
 }
 
 /// Updates config files to the specified revision.
-async fn update_to(revision: &Revision) -> Result<(), UpdateError> {
+async fn update_to(revision: Revision) -> Result<(), UpdateError> {
     match revision {
         Revision::V0 => unreachable!(),
         Revision::V1 => v1::run().await?,
@@ -71,7 +71,7 @@ pub(super) async fn run(revision: Option<Revision>) -> Result<(), UpdateError> {
     }
 
     match revision {
-        Some(revision) => update_to(&revision).await,
+        Some(revision) => update_to(revision).await,
         None => update_to_latest_from(current_revision).await,
     }
 }