diff --git a/.eslintrc b/.eslintrc
index 067ab963..7adb806a 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -69,6 +69,22 @@
 			"rules": {
 				"no-console": "off"
 			}
+		},
+		{
+			"files": ["**/*.ts"],
+			"extends": ["plugin:@typescript-eslint/recommended"],
+			"parser": "@typescript-eslint/parser",
+			"plugins": ["@typescript-eslint"],
+			"rules": {
+				"node/no-unsupported-features/es-syntax": "off"
+			}
+		},
+		{
+			"files": ["**/*.d.ts"],
+			"rules": {
+				"@typescript-eslint/no-explicit-any": "off",
+				"@typescript-eslint/no-unused-vars": "off"
+			}
 		}
 	]
 }
diff --git a/index.d.ts b/index.d.ts
index 99d12677..7b3307f7 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -70,7 +70,7 @@ export class Registry<RegistryContentType = PrometheusContentType> {
 	 * @param labels of name/value pairs:
 	 * { defaultLabel: "value", anotherLabel: "value 2" }
 	 */
-	setDefaultLabels(labels: Object): void;
+	setDefaultLabels(labels: object): void;
 
 	/**
 	 * Get a string representation of a single metric by name
@@ -149,7 +149,7 @@ export class AggregatorRegistry<
 	 * @return {Registry} aggregated registry.
 	 */
 	static aggregate<T extends RegistryContentType>(
-		metricsArr: Array<Object>,
+		metricsArr: Array<object>,
 	): Registry<T>; // TODO Promise?
 
 	/**
@@ -770,7 +770,7 @@ export interface DefaultMetricsCollectorConfiguration<
 	prefix?: string;
 	gcDurationBuckets?: number[];
 	eventLoopMonitoringPrecision?: number;
-	labels?: Object;
+	labels?: object;
 }
 
 export const collectDefaultMetrics: {
diff --git a/package.json b/package.json
index 01be5262..ddbeb4bc 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,8 @@
 	"homepage": "https://github.com/siimon/prom-client",
 	"devDependencies": {
 		"@clevernature/benchmark-regression": "^1.0.0",
+		"@typescript-eslint/eslint-plugin": "^6.21.0",
+		"@typescript-eslint/parser": "^6.21.0",
 		"eslint": "^8.32.0",
 		"eslint-config-prettier": "^9.1.0",
 		"eslint-plugin-node": "^11.0.0",