diff --git a/package.json b/package.json
index e7ca555..9218268 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,6 @@
     "eslint-plugin-promise": "^4.0.1",
     "eslint-plugin-standard": "^4.0.0",
     "eslint-plugin-vue": "^5.2.2",
-    "esm": "^3.2.14",
     "fs-extra": "^7.0.1",
     "is-wsl": "^1.1.0",
     "jest": "^24.4.0",
diff --git a/yarn.lock b/yarn.lock
index 7ca92b7..dffa28b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4570,11 +4570,6 @@ eslint@^5.15.1:
     table "^5.2.3"
     text-table "^0.2.0"
 
-esm@^3.2.14:
-  version "3.2.15"
-  resolved "https://registry.yarnpkg.com/esm/-/esm-3.2.15.tgz#a6cf1b209c6718871cb35fd2a3733e7c3befc144"
-  integrity sha512-GcKZRSlQ/QevC/t94FXYKbUobSTArdLfRBAV6t6HIguoUBfuFGomxSZbsRHySaTppixC9jtmzAX+0GF4tbJaJA==
-
 espree@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/espree/-/espree-4.1.0.tgz#728d5451e0fd156c04384a7ad89ed51ff54eb25f"
@@ -6034,6 +6029,11 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-number@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
+  integrity sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==
+
 is-obj@^1.0.0, is-obj@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
@@ -7311,6 +7311,11 @@ math-expression-evaluator@^1.2.14:
   resolved "https://registry.yarnpkg.com/math-expression-evaluator/-/math-expression-evaluator-1.2.17.tgz#de819fdbcd84dccd8fae59c6aeb79615b9d266ac"
   integrity sha1-3oGf282E3M2PrlnGrreWFbnSZqw=
 
+math-random@^1.0.1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.4.tgz#5dd6943c938548267016d4e34f057583080c514c"
+  integrity sha512-rUxjysqif/BZQH2yhd5Aaq7vXMSx9NdEsQcyA07uEzIvxgI7zIr33gGsh+RU0/XjmQpCW7RsVof1vlkvQVCK5A==
+
 md5.js@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.5.tgz#b5d07b8e3216e3e27cd728d72f70d1e6a342005f"