diff --git a/CHANGES.md b/CHANGES.md
index 51e6cf86f..8b6c19d5f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,12 @@
 # Release Notes
 
+## 2.1.144
+
+This release fixes Pex to build PEX files with deterministic file order
+regardless of the operating system / file system the PEX was built on.
+
+* Traverse directories in stable order when building a PEX (#2220)
+
 ## 2.1.143
 
 This release fixes Pex to work by default under eCryptFS home dirs.
diff --git a/pex/version.py b/pex/version.py
index b3894a15d..80b91697b 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__ = "2.1.143"
+__version__ = "2.1.144"