From 4126de26b48f551937eb09be231e804f0440e039 Mon Sep 17 00:00:00 2001
From: John Sirois <john.sirois@gmail.com>
Date: Thu, 4 Jan 2024 23:17:18 -0800
Subject: [PATCH] Prepare the 2.1.156 release. (#2316)

Co-authored-by: Huon Wilson <wilson.huon@gmail.com>
---
 CHANGES.md     | 8 ++++++++
 pex/version.py | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/CHANGES.md b/CHANGES.md
index bb40f4226..94c21ed1c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,13 @@
 # Release Notes
 
+## 2.1.156
+
+This release optimizes wheel install overhead for warm caches. Notably,
+this speeds up warm boot for PEXes containing large distributions like
+PyTorch as well as creating venvs from them.
+
+* Lower noop wheel install overhead. (#2315)
+
 ## 2.1.155
 
 This release brings support for `--pip-version 23.3.2` along with
diff --git a/pex/version.py b/pex/version.py
index a8a1167da..41524877d 100644
--- a/pex/version.py
+++ b/pex/version.py
@@ -1,4 +1,4 @@
 # Copyright 2015 Pants project contributors (see CONTRIBUTORS.md).
 # Licensed under the Apache License, Version 2.0 (see LICENSE).
 
-__version__ = "2.1.155"
+__version__ = "2.1.156"