diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9971f52..ccf164f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.11.6] - 2022-04-08
+### Fixed
+* use Array#push instead of #append for better compatibility
+
 ## [0.11.5] - 2022-04-07
 ### Changed
 * packages are uploaded "atomically": transferred as temporary files, then
diff --git a/Gemfile.lock b/Gemfile.lock
index e91b581..0a2e67e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    deb-s3 (0.11.4)
+    deb-s3 (0.11.6)
       aws-sdk-s3 (~> 1)
       thor (~> 0.19.0)
 
diff --git a/lib/deb/s3.rb b/lib/deb/s3.rb
index 6935c98..29b99f7 100644
--- a/lib/deb/s3.rb
+++ b/lib/deb/s3.rb
@@ -1,6 +1,6 @@
 # -*- encoding : utf-8 -*-
 module Deb
   module S3
-    VERSION = "0.11.5"
+    VERSION = "0.11.6"
   end
 end
diff --git a/lib/deb/s3/cli.rb b/lib/deb/s3/cli.rb
index 9096306..531897d 100644
--- a/lib/deb/s3/cli.rb
+++ b/lib/deb/s3/cli.rb
@@ -248,7 +248,7 @@ def upload(*files)
       log_action = lambda {|f| sublog("Transferring #{f}") }
       atomic_action = lambda {|f|
         log_action.call(f)
-        filenames_to_move.append(f)
+        filenames_to_move.push(f)
       }
 
       # upload the manifest