diff --git a/yarn.lock b/yarn.lock
index ff75e70..f9b4079 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1313,16 +1313,16 @@
     "@types/istanbul-reports" "^1.1.1"
     "@types/yargs" "^13.0.0"
 
-"@openzeppelin/contracts@^2.4.0":
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-2.4.0.tgz#7270f79ed1463370fe6e664d36a779aa4d3ee896"
-  integrity sha512-xeKP59REgow5TPBJh3S9BRIm7DDG+Rz3Nt4ANWGUkjk4305DHpyUD5CyMJ6nd2JMmZuFyx4mjvvlCtSJLRnN6w==
-
 "@next/polyfill-nomodule@9.3.2":
   version "9.3.2"
   resolved "https://registry.yarnpkg.com/@next/polyfill-nomodule/-/polyfill-nomodule-9.3.2.tgz#f8e282fdeb448eb6b70bcc18c5d46c911072687a"
   integrity sha512-kEa7v3trZmW6iWeTJrhg+ZsE9njae7mLkgyZB5M1r975JHr5PQ69B5aX7hrEAj7aAJYvCKETgAczx4gGR8MOzQ==
 
+"@openzeppelin/contracts@^2.4.0":
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-2.4.0.tgz#7270f79ed1463370fe6e664d36a779aa4d3ee896"
+  integrity sha512-xeKP59REgow5TPBJh3S9BRIm7DDG+Rz3Nt4ANWGUkjk4305DHpyUD5CyMJ6nd2JMmZuFyx4mjvvlCtSJLRnN6w==
+
 "@restart/context@^2.1.4":
   version "2.1.4"
   resolved "https://registry.yarnpkg.com/@restart/context/-/context-2.1.4.tgz#a99d87c299a34c28bd85bb489cb07bfd23149c02"
@@ -10114,9 +10114,9 @@ qs@6.7.0:
   integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
 
 qs@~6.5.2:
-  version "6.5.2"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
-  integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.3.tgz#3aeeffc91967ef6e35c0e488ef46fb296ab76aad"
+  integrity sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA==
 
 query-string@^4.1.0:
   version "4.3.4"