diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3e1e71..84891ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,63 +1,66 @@
 # 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
 
+## [0.4.3] - 2020-10-28
+### Fixed
+- Throttle reading of responses if the target process's inbox is getting full.
 
 ## [0.4.2] - 2020-04-24
 ### Fixed
 - Workaround for metadata request breaking other commands (required for guam)
 
 ## [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/rebar.config b/rebar.config
index 5c94f0a..0614940 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,20 +1,20 @@
 %% -*- tab-width: 4;erlang-indent-level: 4;indent-tabs-mode: nil -*-
 %% ex: ft=erlang ts=4 sw=4 et
 
 {erl_opts, [{parse_transform, lager_transform}]}.
 {deps, [ lager ]}.
 
 { erl_first_files, ["src/eimap_command.erl"] }.
 {sub_dirs, [
     "src",
     "tests"
  ]}.
 {cover_enabled, true}.
 
 %%{require_otp_vsn, "17"}.
 {pre_hooks, [{clean, "rm -rf ebin priv erl_crash.dump"}]}.
-{ relx, [ { release, { eimap, "0.4.2" }, [eimap]},
+{ relx, [ { release, { eimap, "0.4.3" }, [eimap]},
                 { dev_mode, false },
                 { include_erts, false }
          ]
 }.
diff --git a/src/eimap.app.src b/src/eimap.app.src
index 15e5dea..cc40613 100644
--- a/src/eimap.app.src
+++ b/src/eimap.app.src
@@ -1,21 +1,21 @@
 %% -*- tab-width: 4;erlang-indent-level: 4;indent-tabs-mode: nil -*-
 {application, eimap,
  [
   { description, "IMAP client implementation" },
-  { vsn, "0.4.2" },
+  { vsn, "0.4.3" },
   { registered, [] },
   { applications, [
                    kernel,
                    stdlib,
                    crypto,
                    ssl,
                    compiler,
                    syntax_tools,
                    lager
                   ]
   },
   { env, [ ]},
   { maintainers, ["Aaron Seigo"] },
   { licenses, ["LGPLv3+"] },
   { links, ["https://git.kolab.org/diffusion/EI/"] }
  ]}.