diff --git a/js/web/test/test-main.ts b/js/web/test/test-main.ts
index e614cc8e67..49d0ac225b 100644
--- a/js/web/test/test-main.ts
+++ b/js/web/test/test-main.ts
@@ -110,9 +110,9 @@ for (const group of ORT_WEB_TEST_CONFIG.model) {
               test, ORT_WEB_TEST_CONFIG.profile, ORT_WEB_TEST_CONFIG.options.sessionOptions);
         });
 
-        after('release session', () => {
+        after('release session', async () => {
           if (context) {
-            context.release();
+            await context.release();
           }
         });
 
diff --git a/js/web/test/test-runner.ts b/js/web/test/test-runner.ts
index 9802f00f7a..46d80a9f56 100644
--- a/js/web/test/test-runner.ts
+++ b/js/web/test/test-runner.ts
@@ -210,11 +210,12 @@ export class ModelTestContext {
     Logger.verbose('TestRunner.Perf', '***Perf Data End');
   }
 
-  release(): void {
+  async release(): Promise<void> {
     if (this.profile) {
       this.session.endProfiling();
     }
     this.logPerfData();
+    await this.session.release();
   }
 
   /**