diff --git a/package-lock.json b/package-lock.json
index 3a3f992..f15585d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -712,9 +712,9 @@
       "dev": true
     },
     "@types/fetch-mock": {
-      "version": "7.3.0",
-      "resolved": "https://registry.npmjs.org/@types/fetch-mock/-/fetch-mock-7.3.0.tgz",
-      "integrity": "sha512-pkvJyDRlf36Z2GVFWXGlR6wbOWwoqu2G7fpb9eY8ji4zD/u8YIqew+J8lYLg2LSch3Pfk/kHKNKz6byLR+nKkw==",
+      "version": "7.3.1",
+      "resolved": "https://registry.npmjs.org/@types/fetch-mock/-/fetch-mock-7.3.1.tgz",
+      "integrity": "sha512-2U4vZWHNbsbK7TRmizgr/pbKe0FKopcxu+hNDtIBDiM1wvrKRItybaYj7VQ6w/hZJStU/JxRiNi5ww4YDEvKbA==",
       "dev": true
     },
     "@types/glob": {
@@ -1665,9 +1665,9 @@
       "dev": true
     },
     "core-js": {
-      "version": "2.6.5",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.5.tgz",
-      "integrity": "sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A==",
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.9.tgz",
+      "integrity": "sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A==",
       "dev": true
     },
     "core-util-is": {
@@ -2343,12 +2343,13 @@
       }
     },
     "fetch-mock": {
-      "version": "7.3.3",
-      "resolved": "https://registry.npmjs.org/fetch-mock/-/fetch-mock-7.3.3.tgz",
-      "integrity": "sha512-MHKcwZ4n9TmnfnVfelUBrrfxtC9tztafIR+F8l/Yu9N+y48fU1BAwj3iSxhYFYELVw73rCZh2DPWtWCekY/t+w==",
+      "version": "7.3.7",
+      "resolved": "https://registry.npmjs.org/fetch-mock/-/fetch-mock-7.3.7.tgz",
+      "integrity": "sha512-Tl2OEdsLXaXwv+V61s6Ar38FiGrhKGzokLtToiW1Otu6ei0e+g8Apoug5Zc/AFBipAfuiO/4vXV5IP6/lVApBA==",
       "dev": true,
       "requires": {
         "babel-polyfill": "^6.26.0",
+        "core-js": "^2.6.9",
         "glob-to-regexp": "^0.4.0",
         "path-to-regexp": "^2.2.1",
         "whatwg-url": "^6.5.0"
diff --git a/package.json b/package.json
index 0d53b9d..28ef215 100644
--- a/package.json
+++ b/package.json
@@ -38,11 +38,11 @@
     "cross-fetch": "3.0.3"
   },
   "devDependencies": {
-    "@types/fetch-mock": "7.3.0",
+    "@types/fetch-mock": "7.3.1",
     "@types/jest": "24.0.13",
     "chai": "4.2.0",
     "fetch-everywhere": "1.0.5",
-    "fetch-mock": "7.3.3",
+    "fetch-mock": "7.3.7",
     "husky": "2.4.0",
     "jest": "24.8.0",
     "prettier": "1.17.1",
diff --git a/yarn.lock b/yarn.lock
index 27e0fa5..9a3f78d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -448,10 +448,10 @@
   resolved "https://registry.yarnpkg.com/@types/events/-/events-3.0.0.tgz#2862f3f58a9a7f7c3e78d79f130dd4d71c25c2a7"
   integrity sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==
 
-"@types/fetch-mock@7.3.0":
-  version "7.3.0"
-  resolved "https://registry.yarnpkg.com/@types/fetch-mock/-/fetch-mock-7.3.0.tgz#b56bafcb60fcd7f77d6464227ac18e99acb53e83"
-  integrity sha512-pkvJyDRlf36Z2GVFWXGlR6wbOWwoqu2G7fpb9eY8ji4zD/u8YIqew+J8lYLg2LSch3Pfk/kHKNKz6byLR+nKkw==
+"@types/fetch-mock@7.3.1":
+  version "7.3.1"
+  resolved "https://registry.yarnpkg.com/@types/fetch-mock/-/fetch-mock-7.3.1.tgz#df7421e8bcb351b430bfbfa5c52bb353826ac94f"
+  integrity sha512-2U4vZWHNbsbK7TRmizgr/pbKe0FKopcxu+hNDtIBDiM1wvrKRItybaYj7VQ6w/hZJStU/JxRiNi5ww4YDEvKbA==
 
 "@types/glob@^7.1.1":
   version "7.1.1"
@@ -1460,6 +1460,11 @@ core-js@^2.4.0, core-js@^2.5.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.5.tgz#44bc8d249e7fb2ff5d00e0341a7ffb94fbf67895"
   integrity sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A==
 
+core-js@^2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.9.tgz#6b4b214620c834152e179323727fc19741b084f2"
+  integrity sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A==
+
 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"
@@ -2056,12 +2061,13 @@ fetch-everywhere@1.0.5:
     node-fetch "^1.0.1"
     whatwg-fetch ">=0.10.0"
 
-fetch-mock@7.3.3:
-  version "7.3.3"
-  resolved "https://registry.yarnpkg.com/fetch-mock/-/fetch-mock-7.3.3.tgz#d1abdf309cdef8adb4b0fc0596d3f97fcfbd4528"
-  integrity sha512-MHKcwZ4n9TmnfnVfelUBrrfxtC9tztafIR+F8l/Yu9N+y48fU1BAwj3iSxhYFYELVw73rCZh2DPWtWCekY/t+w==
+fetch-mock@7.3.7:
+  version "7.3.7"
+  resolved "https://registry.yarnpkg.com/fetch-mock/-/fetch-mock-7.3.7.tgz#689fe1a52d0bba05cfbc3413e19e7970d6528a98"
+  integrity sha512-Tl2OEdsLXaXwv+V61s6Ar38FiGrhKGzokLtToiW1Otu6ei0e+g8Apoug5Zc/AFBipAfuiO/4vXV5IP6/lVApBA==
   dependencies:
     babel-polyfill "^6.26.0"
+    core-js "^2.6.9"
     glob-to-regexp "^0.4.0"
     path-to-regexp "^2.2.1"
     whatwg-url "^6.5.0"