diff --git a/backend/yarn.lock b/backend/yarn.lock
index eb0bbf2..5dd624d 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -5951,9 +5951,9 @@ qs@^6.6.0:
   integrity sha1-v63NKWwtVJ8d/6VgYZEyyXf1AI4=
 
 qs@~6.5.2:
-  version "6.5.2"
-  resolved "https://registry.npm.taobao.org/qs/download/qs-6.5.2.tgz?cache=0&sync_timestamp=1585168773645&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fqs%2Fdownload%2Fqs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
-  integrity sha1-yzroBuh0BERYTvFUzo7pjUA/PjY=
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.3.tgz#3aeeffc91967ef6e35c0e488ef46fb296ab76aad"
+  integrity sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA==
 
 range-parser@~1.2.1:
   version "1.2.1"