diff --git a/yarn.lock b/yarn.lock
index cee1965..68334e3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4607,17 +4607,6 @@ ethereumjs-util@^7.0.10, ethereumjs-util@^7.0.2, ethereumjs-util@^7.1.0, ethereu
     ethjs-util "0.1.6"
     rlp "^2.2.4"
 
-ethereumjs-util@^7.1.1, ethereumjs-util@^7.1.2, ethereumjs-util@^7.1.3:
-  version "7.1.3"
-  resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-7.1.3.tgz#b55d7b64dde3e3e45749e4c41288238edec32d23"
-  integrity sha512-y+82tEbyASO0K0X1/SRhbJJoAlfcvq8JbrG4a5cjrOks7HS/36efU/0j2flxCPOUM++HFahk33kr/ZxyC4vNuw==
-  dependencies:
-    "@types/bn.js" "^5.1.0"
-    bn.js "^5.1.2"
-    create-hash "^1.1.2"
-    ethereum-cryptography "^0.1.3"
-    rlp "^2.2.4"
-
 ethereumjs-vm@4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-vm/-/ethereumjs-vm-4.2.0.tgz#e885e861424e373dbc556278f7259ff3fca5edab"
@@ -8735,9 +8724,9 @@ qs@^6.4.0, qs@^6.7.0, qs@^6.9.4:
     side-channel "^1.0.4"
 
 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@^5.0.1:
   version "5.1.1"