diff --git a/package.json b/package.json
index 01c7f8ddb..98061bfbc 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
     "got": "9.6.0",
     "he": "1.2.0",
     "iconv-lite": "0.5.0",
-    "jsdom": "15.2.0",
+    "jsdom": "15.2.1",
     "json-bigint": "0.3.0",
     "koa": "2.11.0",
     "koa-basic-auth": "4.0.0",
diff --git a/yarn.lock b/yarn.lock
index ed45a56e6..2ab1bcc7d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1637,15 +1637,7 @@ acorn-dynamic-import@^4.0.0:
   resolved "https://registry.yarnpkg.com/acorn-dynamic-import/-/acorn-dynamic-import-4.0.0.tgz#482210140582a36b83c3e342e1cfebcaa9240948"
   integrity sha512-d3OEjQV4ROpoflsnUA8HozoIR504TFxNivYEUi6uwz0IYhBkTDXGuWlNdMtybRt3nqVx/L6XqMt0FxkXuWKZhw==
 
-acorn-globals@^4.1.0:
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-4.3.2.tgz#4e2c2313a597fd589720395f6354b41cd5ec8006"
-  integrity sha512-BbzvZhVtZP+Bs1J1HcwrQe8ycfO0wStkSGxuul3He3GkHOIZ6eTqOkPuw9IP1X3+IkOo4wiJmwkobzXYz4wewQ==
-  dependencies:
-    acorn "^6.0.1"
-    acorn-walk "^6.0.1"
-
-acorn-globals@^4.3.2:
+acorn-globals@^4.1.0, acorn-globals@^4.3.2:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-4.3.4.tgz#9fa1926addc11c97308c4e66d7add0d40c3272e7"
   integrity sha512-clfQEh21R+D0leSbUdWf3OcfqyaCSAQ8Ryq00bofSekfr9W8u1jyYZo6ir0xu9Gtcf7BjcHJpnbZH7JOCpP60A==
@@ -3374,21 +3366,16 @@ csso@^3.5.1:
   dependencies:
     css-tree "1.0.0-alpha.29"
 
-cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
-  version "0.3.6"
-  resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.3.6.tgz#f85206cee04efa841f3c5982a74ba96ab20d65ad"
-  integrity sha512-DtUeseGk9/GBW0hl0vVPpU22iHL6YB5BUX7ml1hB+GMpo0NX5G4voX3kdWiMSEguFtcW3Vh3djqNF4aIe6ne0A==
+cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0", cssom@~0.3.6:
+  version "0.3.8"
+  resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.3.8.tgz#9f1276f5b2b463f2114d3f2c75250af8c1a36f4a"
+  integrity sha512-b0tGHbfegbhPJpxpiBPU2sCkigAqtM9O121le6bbOlgyV+NyGyCmVfJ6QW9eRjz8CpNfWEOYBIMIGRYkLwsIYg==
 
 cssom@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.4.1.tgz#b24111d236b6dbd00cdfacb5ab67a20473381fe3"
   integrity sha512-6Aajq0XmukE7HdXUU6IoSWuH1H6gH9z6qmagsstTiN7cW2FNTsb+J2Chs+ufPgZCsV/yo8oaEudQLrb9dGxSVQ==
 
-cssom@~0.3.6:
-  version "0.3.8"
-  resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.3.8.tgz#9f1276f5b2b463f2114d3f2c75250af8c1a36f4a"
-  integrity sha512-b0tGHbfegbhPJpxpiBPU2sCkigAqtM9O121le6bbOlgyV+NyGyCmVfJ6QW9eRjz8CpNfWEOYBIMIGRYkLwsIYg==
-
 cssstyle@^1.0.0:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/cssstyle/-/cssstyle-1.2.2.tgz#427ea4d585b18624f6fdbf9de7a2a1a3ba713077"
@@ -4050,7 +4037,7 @@ escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2, escape-string-regexp@^1
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
 
-escodegen@^1.11.1:
+escodegen@^1.11.1, escodegen@^1.8.1, escodegen@^1.9.1:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.12.0.tgz#f763daf840af172bb3a2b6dd7219c0e17f7ff541"
   integrity sha512-TuA+EhsanGcme5T3R0L80u4t8CpbXQjegRmf7+FPTJrtCTErXFeelblRgHQa1FofEzqYYJmJ/OqjTwREp9qgmg==
@@ -4062,18 +4049,6 @@ escodegen@^1.11.1:
   optionalDependencies:
     source-map "~0.6.1"
 
-escodegen@^1.8.1, escodegen@^1.9.1:
-  version "1.11.1"
-  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.11.1.tgz#c485ff8d6b4cdb89e27f4a856e91f118401ca510"
-  integrity sha512-JwiqFD9KdGVVpeuRa68yU3zZnBEOcPs0nKW7wZzXky8Z7tffdYUHbe11bPCV5jYlK6DVdKLWLm0f5I/QlL0Kmw==
-  dependencies:
-    esprima "^3.1.3"
-    estraverse "^4.2.0"
-    esutils "^2.0.2"
-    optionator "^0.8.1"
-  optionalDependencies:
-    source-map "~0.6.1"
-
 eslint-config-prettier@6.5.0:
   version "6.5.0"
   resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.5.0.tgz#aaf9a495e2a816865e541bfdbb73a65cc162b3eb"
@@ -6407,10 +6382,10 @@ jsbn@~0.1.0:
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
   integrity sha1-peZUwuWi3rXyAdls77yoDA7y9RM=
 
-jsdom@15.2.0:
-  version "15.2.0"
-  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-15.2.0.tgz#4baead4f464e733533ed6ac607ce440918cf5cbb"
-  integrity sha512-+hRyEfjRPFwTYMmSQ3/f7U9nP8ZNZmbkmUek760ZpxnCPWJIhaaLRuUSvpJ36fZKCGENxLwxClzwpOpnXNfChQ==
+jsdom@15.2.1:
+  version "15.2.1"
+  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-15.2.1.tgz#d2feb1aef7183f86be521b8c6833ff5296d07ec5"
+  integrity sha512-fAl1W0/7T2G5vURSyxBzrJ1LSdQn6Tr5UX/xD4PXDx/PDgwygedfW6El/KIj3xJ7FU61TTYnc/l/B7P49Eqt6g==
   dependencies:
     abab "^2.0.0"
     acorn "^7.1.0"
@@ -6422,7 +6397,7 @@ jsdom@15.2.0:
     domexception "^1.0.1"
     escodegen "^1.11.1"
     html-encoding-sniffer "^1.0.2"
-    nwsapi "^2.1.4"
+    nwsapi "^2.2.0"
     parse5 "5.1.0"
     pn "^1.1.0"
     request "^2.88.0"
@@ -7806,10 +7781,10 @@ number-is-nan@^1.0.0:
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
   integrity sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=
 
-nwsapi@^2.0.7, nwsapi@^2.1.4:
-  version "2.1.4"
-  resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.1.4.tgz#e006a878db23636f8e8a67d33ca0e4edf61a842f"
-  integrity sha512-iGfd9Y6SFdTNldEy2L0GUhcarIutFmk+MPWIn9dmj8NMIup03G08uUF2KGbbmv/Ux4RT0VZJoP/sVbWA6d/VIw==
+nwsapi@^2.0.7, nwsapi@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.2.0.tgz#204879a9e3d068ff2a55139c2c772780681a38b7"
+  integrity sha512-h2AatdwYH+JHiZpv7pt/gSX1XoRGb7L/qSIeuqA6GwYoF9w1vP1cw42TO0aI2pNyshRK5893hNSl+1//vHK7hQ==
 
 oauth-sign@~0.9.0:
   version "0.9.0"