diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index 361420b1a..248e3775d 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.10.14",
+    "version": "2.10.15",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/hydrojudge/src/utils.ts b/packages/hydrojudge/src/utils.ts
index ba3834a93..a1374079d 100644
--- a/packages/hydrojudge/src/utils.ts
+++ b/packages/hydrojudge/src/utils.ts
@@ -57,7 +57,8 @@ export namespace Lock {
     const data = {};
 
     export async function aquire(key: string) {
-        while (data[key]) sleep(100);
+        // eslint-disable-next-line no-await-in-loop
+        while (data[key]) await sleep(100);
         data[key] = true;
     }