From 465a5255326c00d0a03ae02ac7dc8068237d253a Mon Sep 17 00:00:00 2001
From: epwalsh <epwalsh10@gmail.com>
Date: Mon, 20 Dec 2021 09:30:59 -0800
Subject: [PATCH] Prepare for release v0.4.0rc4

---
 CHANGELOG.md     | 2 ++
 tango/version.py | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f88ce7621..11d3c5312 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## [v0.4.0rc4](https://github.com/allenai/tango/releases/tag/v0.4.0rc4) - 2021-12-20
+
 ### Fixed
 
 - Fixed a bug where `StepInfo` fails to deserialize when `error` is an exception that can't be pickled.
diff --git a/tango/version.py b/tango/version.py
index 79aae88e2..ff7b0f44c 100644
--- a/tango/version.py
+++ b/tango/version.py
@@ -4,7 +4,7 @@
 # released build.
 _PATCH = "0"
 # This is mainly for pre-releases which have the suffix "rc[0-9]+".
-_SUFFIX = "rc3"
+_SUFFIX = "rc4"
 
 VERSION_SHORT = "{0}.{1}".format(_MAJOR, _MINOR)
 VERSION = "{0}.{1}.{2}{3}".format(_MAJOR, _MINOR, _PATCH, _SUFFIX)