diff --git a/yarn.lock b/yarn.lock
index 352469097..ae447b871 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2049,7 +2049,7 @@
     "@gnosis.pm/dex-contracts" "^0.5.0"
     bignumber.js "^9.0.0"
 
-"@gnosis.pm/gp-v2-contracts@ˆ1.1.2":
+"@gnosis.pm/gp-v2-contracts@^1.1.2":
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/@gnosis.pm/gp-v2-contracts/-/gp-v2-contracts-1.1.2.tgz#0453bb097377dc63cf46ee195f7e521d429f7e22"
   integrity sha512-BvZMNS+fwITb+qs+trs2fyvYksa6MPjjLze9AOXPnvcKVYFEGwG6cfsecBswEMo+xevLIQNDyF7HZRhN7ply8w==
@@ -22305,11 +22305,6 @@ webpack-merge@^4.2.2:
   dependencies:
     lodash "^4.17.15"
 
-webpack-remove-serviceworker-plugin@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/webpack-remove-serviceworker-plugin/-/webpack-remove-serviceworker-plugin-1.0.0.tgz#63a7604da9a7fd9bae8f9eef87d274a2470dcaa7"
-  integrity sha1-Y6dgTamn/Zuuj57vh9J0okcNyqc=
-
 webpack-sources@^1.1.0, webpack-sources@^1.3.0, webpack-sources@^1.4.0, webpack-sources@^1.4.1, webpack-sources@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"