diff --git a/packages/polaris-viz/CHANGELOG.md b/packages/polaris-viz/CHANGELOG.md
index a140fb921..f829878f2 100644
--- a/packages/polaris-viz/CHANGELOG.md
+++ b/packages/polaris-viz/CHANGELOG.md
@@ -5,7 +5,11 @@ 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/)
 and adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-<!-- ## Unreleased -->
+## Unreleased
+
+### Added
+
+- Export `fillMissingDataPoints`.
 
 ## [13.1.0] - 2024-04-23
 
diff --git a/packages/polaris-viz/src/utilities/index.ts b/packages/polaris-viz/src/utilities/index.ts
index 3151ae2d2..6f096af06 100644
--- a/packages/polaris-viz/src/utilities/index.ts
+++ b/packages/polaris-viz/src/utilities/index.ts
@@ -8,6 +8,7 @@ export {classNames} from './classnames';
 export {getBarId} from './getBarId';
 export {formatDataIntoGroups} from './formatDataIntoGroups';
 export {formatDataForTooltip} from './formatDataForTooltip';
+export {fillMissingDataPoints} from './fillMissingDataPoints';
 export {getStackedMinMax} from './getStackedMinMax';
 export {getStackedValues} from './getStackedValues';
 export {pushGapToArray} from './pushGapToArray';