diff --git a/frontend/package.json b/frontend/package.json
index 6a82501818..dcc29a323a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -60,7 +60,7 @@
     "eslint-config-finn-prettier": "^3.0.2",
     "eslint-config-finn-react": "^2.0.2",
     "eslint-plugin-react": "^7.11.1",
-    "fetch-mock": "^7.0.2",
+    "fetch-mock": "^8.0.0",
     "identity-obj-proxy": "^3.0.0",
     "immutable": "^3.8.1",
     "jest": "^24.9.0",
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 9b4e96024f..3bc7f91be7 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -1589,15 +1589,6 @@ babel-plugin-jest-hoist@^24.9.0:
   dependencies:
     "@types/babel__traverse" "^7.0.6"
 
-babel-polyfill@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-polyfill/-/babel-polyfill-6.26.0.tgz#379937abc67d7895970adc621f284cd966cf2153"
-  integrity sha1-N5k3q8Z9eJWXCtxiHyhM2WbPIVM=
-  dependencies:
-    babel-runtime "^6.26.0"
-    core-js "^2.5.0"
-    regenerator-runtime "^0.10.5"
-
 babel-preset-jest@^24.9.0:
   version "24.9.0"
   resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-24.9.0.tgz#192b521e2217fb1d1f67cf73f70c336650ad3cdc"
@@ -2358,11 +2349,16 @@ core-js@^1.0.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
   integrity sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=
 
-core-js@^2.4.0, core-js@^2.5.0, core-js@^2.6.9:
+core-js@^2.4.0:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
   integrity sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A==
 
+core-js@^3.0.0:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.4.1.tgz#76dd6828412900ab27c8ce0b22e6114d7ce21b18"
+  integrity sha512-KX/dnuY/J8FtEwbnrzmAjUYgLqtk+cxM86hfG60LGiW3MmltIc2yAmDgBgEkfm0blZhUrdr1Zd84J2Y14mLxzg==
+
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -3557,16 +3553,17 @@ fbjs@^0.8.1:
     setimmediate "^1.0.5"
     ua-parser-js "^0.7.18"
 
-fetch-mock@^7.0.2:
-  version "7.5.1"
-  resolved "https://registry.yarnpkg.com/fetch-mock/-/fetch-mock-7.5.1.tgz#78fc8e4ffc7d7cdd6048b6e501f21be2db489352"
-  integrity sha512-yTb46p7y14bfyWCox50lYqs6NRSo7XPOKzsnLzrSOqRWAGLsvF+aAv0dPkTLeKaBeH3aVSVwWeXzMrctXEZVag==
+fetch-mock@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/fetch-mock/-/fetch-mock-8.0.0.tgz#b0f5c9d639f9f01d1e312597f60ad34a9866aa71"
+  integrity sha512-ll7ld9acY6GJehNmX5dHbbmCPeKIqifx6dd/B1bhFGKSkC+2tgOFJdzxIfHWhxBt6i957KEqXlvUZDCQncEqYQ==
   dependencies:
-    babel-polyfill "^6.26.0"
-    core-js "^2.6.9"
+    babel-runtime "^6.26.0"
+    core-js "^3.0.0"
     glob-to-regexp "^0.4.0"
     lodash.isequal "^4.5.0"
     path-to-regexp "^2.2.1"
+    querystring "^0.2.0"
     whatwg-url "^6.5.0"
 
 figgy-pudding@^3.5.1:
@@ -7151,7 +7148,7 @@ querystring-es3@^0.2.0:
   resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
   integrity sha1-nsYfeQSYdXB9aUFFlv2Qek1xHnM=
 
-querystring@0.2.0:
+querystring@0.2.0, querystring@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
   integrity sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=
@@ -7485,11 +7482,6 @@ regenerate@^1.4.0:
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
   integrity sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==
 
-regenerator-runtime@^0.10.5:
-  version "0.10.5"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
-  integrity sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=
-
 regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"