diff --git a/Sources/LiquidKit/FileStorage.swift b/Sources/LiquidKit/FileStorage.swift
index 3fe0deb..5230845 100644
--- a/Sources/LiquidKit/FileStorage.swift
+++ b/Sources/LiquidKit/FileStorage.swift
@@ -15,7 +15,13 @@ public protocol FileStorage {
 
     /// uploads the data under the given key
     func upload(key: String, data: Data) -> EventLoopFuture<String>
+
+    /// copy a file using a source key to a given destination key
+    func copy(key: String, to: String) -> EventLoopFuture<String>
     
+    /// move a file using a source key to a given destination key
+    func move(key: String, to: String) -> EventLoopFuture<String>
+
     /// create a new directory for a given key
     func createDirectory(key: String) -> EventLoopFuture<Void>