diff --git a/src/client.ts b/src/client.ts
index 2c4e80e..45ba11f 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -353,6 +353,13 @@ export class ConfigClient {
 		this.close();
 	}
 
+	/**
+	 * Async dispose pattern support — use with `await using`.
+	 */
+	async [Symbol.asyncDispose](): Promise<void> {
+		this.close();
+	}
+
 	// --- Private helpers ---
 
 	private async fetchServerInfo(): Promise<ServerInfo> {
diff --git a/src/watcher.ts b/src/watcher.ts
index fa76986..c0add05 100644
--- a/src/watcher.ts
+++ b/src/watcher.ts
@@ -357,12 +357,19 @@ export class ConfigWatcher {
 	 * Dispose pattern support (TypeScript 5.2+).
 	 *
 	 * Calls stop() synchronously (best-effort). For full cleanup, prefer
-	 * calling `await watcher.stop()` explicitly.
+	 * `await using` or calling `await watcher.stop()` explicitly.
 	 */
 	[Symbol.dispose](): void {
 		void this.stop();
 	}
 
+	/**
+	 * Async dispose pattern support — use with `await using`.
+	 */
+	async [Symbol.asyncDispose](): Promise<void> {
+		await this.stop();
+	}
+
 	private async loadSnapshot(): Promise<void> {
 		const resp = await this.callGetConfig({
 			tenantId: this.tenantId,
diff --git a/test/client.test.ts b/test/client.test.ts
index 00d1e8b..e267cd3 100644
--- a/test/client.test.ts
+++ b/test/client.test.ts
@@ -382,6 +382,23 @@ describe("ConfigClient", () => {
 		});
 	});
 
+	describe("Symbol.asyncDispose", () => {
+		it("closes both stubs and resolves", async () => {
+			await client[Symbol.asyncDispose]();
+			expect(configStub.close).toHaveBeenCalledTimes(1);
+			expect(serverStub.close).toHaveBeenCalledTimes(1);
+		});
+
+		it("works with await using", async () => {
+			await (async () => {
+				await using c = client;
+				void c;
+			})();
+			expect(configStub.close).toHaveBeenCalledTimes(1);
+			expect(serverStub.close).toHaveBeenCalledTimes(1);
+		});
+	});
+
 	describe("per-call timeout", () => {
 		it("get() uses per-call timeout over client default", async () => {
 			let capturedDeadline: number | undefined;
diff --git a/test/watcher.test.ts b/test/watcher.test.ts
index 297e352..eb34dd6 100644
--- a/test/watcher.test.ts
+++ b/test/watcher.test.ts
@@ -484,6 +484,33 @@ describe("ConfigWatcher", () => {
 		});
 	});
 
+	describe("Symbol.asyncDispose", () => {
+		it("awaits stop() before resolving", async () => {
+			const watcher = createWatcher();
+			mockGetConfigSuccess([]);
+			watcher.field("payments.fee", Number, { default: 0.01 });
+
+			await watcher.start();
+			await watcher[Symbol.asyncDispose]();
+
+			expect(mockStream.cancel).toHaveBeenCalledOnce();
+		});
+
+		it("works with await using", async () => {
+			const watcher = createWatcher();
+			mockGetConfigSuccess([]);
+			watcher.field("payments.fee", Number, { default: 0.01 });
+			await watcher.start();
+
+			await (async () => {
+				await using w = watcher;
+				void w;
+			})();
+
+			expect(mockStream.cancel).toHaveBeenCalledOnce();
+		});
+	});
+
 	describe("processing changes", () => {
 		it("updates fields on data events", async () => {
 			const watcher = createWatcher();
diff --git a/tsconfig.json b/tsconfig.json
index 6c7764d..7260e50 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,7 @@
     "target": "ES2022",
     "module": "Node16",
     "moduleResolution": "Node16",
-    "lib": ["ES2022"],
+    "lib": ["ES2022", "esnext.disposable"],
     "outDir": "dist",
     "rootDir": "src",
     "declaration": true,