diff --git a/CHANGELOG.md b/CHANGELOG.md
index e9aab005f..a1e5ba261 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.4.20]
+
+### Fixed
+- Bug that causes pyTenable to error out when `srcInterface` or `dstInterface` values in `events` object in OT is non-null.
+
+[1.4.20]: https://github.com/tenable/pyTenable/compare/1.4.19...1.4.20
+.
+
 ## [1.4.19]
 
 ### Added
diff --git a/tenable/version.py b/tenable/version.py
index 09cc3c754..4d9e8dca0 100644
--- a/tenable/version.py
+++ b/tenable/version.py
@@ -1,2 +1,2 @@
-version = '1.4.19'
+version = '1.4.20'
 version_info = tuple(int(d) for d in version.split("-")[0].split("."))