diff --git a/packages/pluggable-widgets-tools/CHANGELOG.md b/packages/pluggable-widgets-tools/CHANGELOG.md
index 9b3e5f5e..72f1c6c4 100644
--- a/packages/pluggable-widgets-tools/CHANGELOG.md
+++ b/packages/pluggable-widgets-tools/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Changed
+
+-   We fixed an issue with unit tests failing when files contain modern JavaScript features.
+
 ## [10.21.1] - 2025-06-13
 
 ### Added
diff --git a/packages/pluggable-widgets-tools/package.json b/packages/pluggable-widgets-tools/package.json
index 65daf9a7..8281c4a1 100644
--- a/packages/pluggable-widgets-tools/package.json
+++ b/packages/pluggable-widgets-tools/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mendix/pluggable-widgets-tools",
-  "version": "10.21.1",
+  "version": "10.21.2",
   "description": "Mendix Pluggable Widgets Tools",
   "engines": {
     "node": ">=20"
diff --git a/packages/pluggable-widgets-tools/test-config/jest.config.js b/packages/pluggable-widgets-tools/test-config/jest.config.js
index 045780e9..4501bc2d 100644
--- a/packages/pluggable-widgets-tools/test-config/jest.config.js
+++ b/packages/pluggable-widgets-tools/test-config/jest.config.js
@@ -13,7 +13,7 @@ module.exports = {
         "^.+\\.tsx?$": [
             "ts-jest",
             {
-                tsconfig: { module: "commonjs" }
+                tsconfig: { module: "commonjs", target: "ES2019" },
             }
         ],
         "^.+\\.jsx?$": join(__dirname, "transform.js"),
diff --git a/packages/pluggable-widgets-tools/test-config/jest.enzyme-free.config.js b/packages/pluggable-widgets-tools/test-config/jest.enzyme-free.config.js
index fa823ce9..12dbce6d 100644
--- a/packages/pluggable-widgets-tools/test-config/jest.enzyme-free.config.js
+++ b/packages/pluggable-widgets-tools/test-config/jest.enzyme-free.config.js
@@ -12,7 +12,7 @@ module.exports = {
         "^.+\\.tsx?$": [
             "ts-jest",
             {
-                tsconfig: { module: "commonjs" }
+                tsconfig: { module: "commonjs", target: "ES2019" },
             }
         ],
         "^.+\\.jsx?$": join(__dirname, "transform.js"),
diff --git a/packages/pluggable-widgets-tools/test-config/jest.native.config.js b/packages/pluggable-widgets-tools/test-config/jest.native.config.js
index 72e3c514..d6a062e9 100644
--- a/packages/pluggable-widgets-tools/test-config/jest.native.config.js
+++ b/packages/pluggable-widgets-tools/test-config/jest.native.config.js
@@ -23,7 +23,7 @@ module.exports = {
         "^.+\\.tsx?$": [
             "ts-jest",
             {
-                tsconfig: { module: "commonjs" }
+                tsconfig: { module: "commonjs", target: "ES2019" },
             }
         ],
         "^.+\\.jsx?$": join(__dirname, "transform-native.js")