diff --git a/package.json b/package.json
index fdc8fca..e7a6c3b 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "eslint-plugin-react": "^7.1.0",
     "eslint-plugin-standard": "^4.0.0",
     "mocha": "7.0.1",
-    "nock": "11.8.2"
+    "nock": "12.0.3"
   },
   "dependencies": {
     "@parity/api": "5.1.x",
diff --git a/yarn.lock b/yarn.lock
index c27b848..84ffbd4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2270,7 +2270,7 @@ minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
-mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1:
+mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
@@ -2329,14 +2329,13 @@ nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
 
-nock@11.8.2:
-  version "11.8.2"
-  resolved "https://registry.yarnpkg.com/nock/-/nock-11.8.2.tgz#7845608d57769f41375b63521a7e6b554f4cdbb2"
+nock@12.0.3:
+  version "12.0.3"
+  resolved "https://registry.yarnpkg.com/nock/-/nock-12.0.3.tgz#83f25076dbc4c9aa82b5cdf54c9604c7a778d1c9"
   dependencies:
     debug "^4.1.0"
     json-stringify-safe "^5.0.1"
     lodash "^4.17.13"
-    mkdirp "^0.5.0"
     propagate "^2.0.0"
 
 node-environment-flags@1.0.6: