diff --git a/cli/tests/unit/kv_test.ts b/cli/tests/unit/kv_test.ts
index 62b53fc553..3081917da4 100644
--- a/cli/tests/unit/kv_test.ts
+++ b/cli/tests/unit/kv_test.ts
@@ -46,7 +46,7 @@ Deno.test({
   },
 });
 
-function dbTest(name: string, fn: (db: Deno.Kv) => Promise<void>) {
+function dbTest(name: string, fn: (db: Deno.Kv) => Promise<void> | void) {
   Deno.test({
     name,
     // https://github.com/denoland/deno/issues/18363
@@ -58,7 +58,7 @@ function dbTest(name: string, fn: (db: Deno.Kv) => Promise<void>) {
       try {
         await fn(db);
       } finally {
-        await db.close();
+        db.close();
       }
     },
   });
@@ -1750,3 +1750,9 @@ Deno.test({
     }
   },
 });
+
+dbTest("atomic operation is exposed", (db) => {
+  assert(Deno.AtomicOperation);
+  const ao = db.atomic();
+  assert(ao instanceof Deno.AtomicOperation);
+});
diff --git a/ext/kv/01_db.ts b/ext/kv/01_db.ts
index 2a3101e6cf..8fd1f5997a 100644
--- a/ext/kv/01_db.ts
+++ b/ext/kv/01_db.ts
@@ -657,4 +657,4 @@ class KvListIterator extends AsyncIterator
   }
 }
 
-export { Kv, KvListIterator, KvU64, openKv };
+export { AtomicOperation, Kv, KvListIterator, KvU64, openKv };
diff --git a/runtime/js/90_deno_ns.js b/runtime/js/90_deno_ns.js
index 3507a98a3d..423a0dd833 100644
--- a/runtime/js/90_deno_ns.js
+++ b/runtime/js/90_deno_ns.js
@@ -173,6 +173,7 @@ const denoNsUnstable = {
   upgradeHttp: http.upgradeHttp,
   serve: http.serve,
   openKv: kv.openKv,
+  AtomicOperation: kv.AtomicOperation,
   Kv: kv.Kv,
   KvU64: kv.KvU64,
   KvListIterator: kv.KvListIterator,