diff --git a/CHANGELOG.md b/CHANGELOG.md
index 194c6da..d836094 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ The Harmony Regridding Service follows semantic versioning. All notable changes
 to this project will be documented in this file. The format is based on [Keep a
 Changelog](http://keepachangelog.com/en/1.0.0/).
 
+## [v1.0.3] - 2024-09-26
+
+## Changed
+This version of the Harmony Regridding Service updates the version of the
+`harmony-service-lib` used to 1.1.0. There are no functional updates in this
+version of the Harmony Regridding Service.
+
 ## [v1.0.2] - 2024-09-23
 
 ### Changed
diff --git a/docker/service_version.txt b/docker/service_version.txt
index 6d7de6e..21e8796 100644
--- a/docker/service_version.txt
+++ b/docker/service_version.txt
@@ -1 +1 @@
-1.0.2
+1.0.3
diff --git a/pip_requirements.txt b/pip_requirements.txt
index 42c0fd9..94dcbe3 100644
--- a/pip_requirements.txt
+++ b/pip_requirements.txt
@@ -1,6 +1,6 @@
 # Open source packages available from PyPI
 earthdata-varinfo ~= 3.0.0
-harmony-service-lib ~= 1.0.25
+harmony-service-lib ~= 1.1.0
 numpy ~= 1.24.2
 netCDF4 ~= 1.6.3
 pyproj ~= 3.4.1