diff --git a/src/Network/AWS/Wolf/Act.hs b/src/Network/AWS/Wolf/Act.hs
--- a/src/Network/AWS/Wolf/Act.hs
+++ b/src/Network/AWS/Wolf/Act.hs
@@ -23,7 +23,7 @@
 -- | S3 copy call.
 --
 cp :: MonadIO m => [FilePath] -> m ()
-cp = liftIO . callProcess "aws" . (["s3", "cp", "--quiet", "--recursive"] <>)
+cp = liftIO . callProcess "aws" . (["s3", "sync", "--quiet"] <>)
 
 -- | Key to download and upload objects from.
 --
diff --git a/wolf.cabal b/wolf.cabal
--- a/wolf.cabal
+++ b/wolf.cabal
@@ -1,6 +1,6 @@
 cabal-version: >=1.22
 name: wolf
-version: 0.3.45
+version: 0.3.46
 license: MIT
 license-file: LICENSE
 copyright: Copyright (C) 2015-2016 Swift Navigation, Inc.
