diff --git a/changelog.md b/changelog.md
index 9faa3b4..da068a0 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,10 @@
 
 # Changelog
 
+## [1.3.9] - 2021-09-19
+### Added
+- empty \_s3copy method to meglib.storage.Storage class
+
 ## [1.3.8] - 4 March 2020
 
 - bug fix: reset version to 0 for newly created documents "from paste"
diff --git a/mglib/storage.py b/mglib/storage.py
index 75999b5..7f1f9c2 100644
--- a/mglib/storage.py
+++ b/mglib/storage.py
@@ -33,6 +33,9 @@ class Storage:
     def download(self, doc_path_url, **kwargs):
         pass
 
+    def _s3copy(self, src, dst):
+        pass
+
     def make_sure_path_exists(self, filepath):
         logger.debug(f"make_sure_path_exists {filepath}")
         dirname = os.path.dirname(filepath)
diff --git a/setup.cfg b/setup.cfg
index 9ff344e..37e3299 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = mglib
-version = 1.3.8
+version = 1.3.9
 description = Common code used across all Papermerge project utilities
 long_description = file: README.rst
 url = https://www.papermerge.com/