diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae8a870..0525c06 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+### [5.1.2](https://github.com/eea/volto-widget-temporal-coverage/compare/5.1.1...5.1.2) - 20 June 2023
+
+#### :hammer_and_wrench: Others
+
+- test: Provide a compare function to avoid sorting elements alphabetically. [Alin Voinea - [`363df13`](https://github.com/eea/volto-widget-temporal-coverage/commit/363df1399a8a59efc4081d575a608ac9b2bf5d37)]
 ### [5.1.1](https://github.com/eea/volto-widget-temporal-coverage/compare/5.1.0...5.1.1) - 12 June 2023
 
 #### :rocket: New Features
diff --git a/package.json b/package.json
index 686b3a2..497ec65 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@eeacms/volto-widget-temporal-coverage",
-  "version": "5.1.1",
+  "version": "5.1.2",
   "description": "volto-widget-temporal-coverage: Volto add-on",
   "main": "src/index.js",
   "author": "European Environment Agency: IDM2 A-Team",
diff --git a/src/helpers.js b/src/helpers.js
index 2b71d5f..815a6d4 100644
--- a/src/helpers.js
+++ b/src/helpers.js
@@ -83,6 +83,6 @@ export function getIndividualValues(values) {
       }
     }
   }
-  year_values.sort();
+  year_values.sort((a, b) => a - b);
   return year_values.map((year) => createOption(year));
 }