diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31c5de3..42d3ab4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,53 +1,59 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 ### Added
 ### Changed
 ### Deprecated
 ### Removed
 ### Fixed
 ### Security
 
+
+## [0.4.1] - 2020-03-28
+### Added
+- Enabled tcp keepalive
+- Support for untagged commands
+
 ## [0.4.0] - 2016-11-11
 ### Added
 - optional timeout on eimap objects for server delay
   passing in an integer command_timeout value to eimap:start_link
   sets the timeout to that number of ms
 
 ### Fixed
 - METADATA command parses multiple key/value returns correctly
 
 ## [0.3.0] - 2016-07-29
 ### Changed
 - moved to rebar3
 
 ### Fixed
 - consistency in capabilities response parsing
 
 ## [0.2.5] - 2016-07-04
 ### Fixed
 - improved the capabilities response parsing
 
 ## [0.2.4] - 2016-06-08
 This section contains the changes from 0.2.0 through 0.2.4
 ### Added
 - NOOP command
 - support for automated interruption of passthrough state to send structured commands
 - commands receive server responses for commands they put into the queue
 
 ### Changed
 - centralize core IMAP response handling and utils in eimap_command
 - support for multi-line, single-line and binary response command types
 - improved TLS support
 
 ### Fixed
 - crash in GETMETADATA command when the Folder param is a list
 - Support more variations of the LIST command args in the filter_groupware rule
 - Prevent crashes (while maintaining simplicity) in session FSM by limiting
   processcommandqueue messages in the mailbox to one
 - support for literals continuation
 - fixes for metadata fetching
 
diff --git a/src/eimap.app.src b/src/eimap.app.src
index 6feb194..9b9a533 100644
--- a/src/eimap.app.src
+++ b/src/eimap.app.src
@@ -1,22 +1,22 @@
 %% -*- tab-width: 4;erlang-indent-level: 4;indent-tabs-mode: nil -*-
 {application, eimap,
  [
   { description, "IMAP client implementation" },
-  { vsn, "0.4.0" },
+  { vsn, "0.4.1" },
   { registered, [] },
   { applications, [
                    kernel,
                    stdlib,
                    crypto,
                    ssl,
                    compiler,
                    syntax_tools,
                    goldrush,
                    lager
                   ]
   },
   { env, [ ]},
   { maintainers, ["Aaron Seigo"] },
   { licenses, ["LGPLv3+"] },
   { links, ["https://git.kolab.org/diffusion/EI/"] }
  ]}.