diff --git a/data/es3.mjs b/data/es3.mjs
new file mode 100644
index 0000000..4031803
--- /dev/null
+++ b/data/es3.mjs
@@ -0,0 +1,32 @@
+export default {
+	Array: false,
+	Boolean: false,
+	Date: false,
+	decodeURI: false,
+	decodeURIComponent: false,
+	encodeURI: false,
+	encodeURIComponent: false,
+	Error: false,
+	escape: false,
+	eval: false,
+	EvalError: false,
+	Function: false,
+	Infinity: false,
+	isFinite: false,
+	isNaN: false,
+	Math: false,
+	NaN: false,
+	Number: false,
+	Object: false,
+	parseFloat: false,
+	parseInt: false,
+	RangeError: false,
+	ReferenceError: false,
+	RegExp: false,
+	String: false,
+	SyntaxError: false,
+	TypeError: false,
+	undefined: false,
+	unescape: false,
+	URIError: false,
+};
diff --git a/data/es5.mjs b/data/es5.mjs
index 8d05b23..a925874 100644
--- a/data/es5.mjs
+++ b/data/es5.mjs
@@ -1,33 +1,6 @@
-export default {
-	Array: false,
-	Boolean: false,
-	Date: false,
-	decodeURI: false,
-	decodeURIComponent: false,
-	encodeURI: false,
-	encodeURIComponent: false,
-	Error: false,
-	escape: false,
-	eval: false,
-	EvalError: false,
-	Function: false,
-	Infinity: false,
-	isFinite: false,
-	isNaN: false,
+import {mergeGlobals} from '../utilities.mjs';
+import es3Globals from './es3.mjs';
+
+export default mergeGlobals(es3Globals, {
 	JSON: false,
-	Math: false,
-	NaN: false,
-	Number: false,
-	Object: false,
-	parseFloat: false,
-	parseInt: false,
-	RangeError: false,
-	ReferenceError: false,
-	RegExp: false,
-	String: false,
-	SyntaxError: false,
-	TypeError: false,
-	undefined: false,
-	unescape: false,
-	URIError: false,
-};
+});
diff --git a/globals.json b/globals.json
index 8eebe1d..b42afed 100644
--- a/globals.json
+++ b/globals.json
@@ -1925,6 +1925,38 @@
 		"WeakRef": false,
 		"WeakSet": false
 	},
+	"es3": {
+		"Array": false,
+		"Boolean": false,
+		"Date": false,
+		"decodeURI": false,
+		"decodeURIComponent": false,
+		"encodeURI": false,
+		"encodeURIComponent": false,
+		"Error": false,
+		"escape": false,
+		"eval": false,
+		"EvalError": false,
+		"Function": false,
+		"Infinity": false,
+		"isFinite": false,
+		"isNaN": false,
+		"Math": false,
+		"NaN": false,
+		"Number": false,
+		"Object": false,
+		"parseFloat": false,
+		"parseInt": false,
+		"RangeError": false,
+		"ReferenceError": false,
+		"RegExp": false,
+		"String": false,
+		"SyntaxError": false,
+		"TypeError": false,
+		"undefined": false,
+		"unescape": false,
+		"URIError": false
+	},
 	"es5": {
 		"Array": false,
 		"Boolean": false,
diff --git a/test.mjs b/test.mjs
index 932dac9..8c0c118 100644
--- a/test.mjs
+++ b/test.mjs
@@ -62,7 +62,10 @@ test('should not contain builtins', t => {
 test('es versions', t => {
 	const builtins = new Map(Object.entries(globals.builtin));
 
-	const esVersions = ['es5', ...Array.from({length: 2024 - 2015 + 1}, (_, index) => `es${2015 + index}`)];
+	const esVersions = Object.keys(globals)
+		.filter(key => /^es(?:3|5|\d{4})$/.test(key))
+		.sort((versionA, versionB) => Number(versionA.slice(2)) - Number(versionB.slice(2)));
+
 	let previousVersion;
 
 	for (const esVersion of esVersions) {