diff --git a/package.json b/package.json
index 2972d5cc..bb4c56f6 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
         "@types/node": "14.0.27",
         "@types/rimraf": "3.0.0",
         "@typescript-eslint/eslint-plugin": "3.9.0",
-        "@typescript-eslint/parser": "3.8.0",
+        "@typescript-eslint/parser": "3.9.0",
         "codecov": "3.7.2",
         "eslint": "7.7.0",
         "eslint-config-prettier": "6.11.0",
diff --git a/yarn.lock b/yarn.lock
index 742a0912..07ed2646 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1315,17 +1315,6 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
-"@typescript-eslint/experimental-utils@3.8.0":
-  version "3.8.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-3.8.0.tgz#ac1f7c88322dcfb7635ece6f0441516dd951099a"
-  integrity sha512-o8T1blo1lAJE0QDsW7nSyvZHbiDzQDjINJKyB44Z3sSL39qBy5L10ScI/XwDtaiunoyKGLiY9bzRk4YjsUZl8w==
-  dependencies:
-    "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/types" "3.8.0"
-    "@typescript-eslint/typescript-estree" "3.8.0"
-    eslint-scope "^5.0.0"
-    eslint-utils "^2.0.0"
-
 "@typescript-eslint/experimental-utils@3.9.0":
   version "3.9.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-3.9.0.tgz#3171d8ddba0bf02a8c2034188593630914fcf5ee"
@@ -1337,41 +1326,22 @@
     eslint-scope "^5.0.0"
     eslint-utils "^2.0.0"
 
-"@typescript-eslint/parser@3.8.0":
-  version "3.8.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-3.8.0.tgz#8e1dcd404299bf79492409c81c415fa95a7c622b"
-  integrity sha512-u5vjOBaCsnMVQOvkKCXAmmOhyyMmFFf5dbkM3TIbg3MZ2pyv5peE4gj81UAbTHwTOXEwf7eCQTUMKrDl/+qGnA==
+"@typescript-eslint/parser@3.9.0":
+  version "3.9.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-3.9.0.tgz#344978a265d9a5c7c8f13e62c78172a4374dabea"
+  integrity sha512-rDHOKb6uW2jZkHQniUQVZkixQrfsZGUCNWWbKWep4A5hGhN5dLHMUCNAWnC4tXRlHedXkTDptIpxs6e4Pz8UfA==
   dependencies:
     "@types/eslint-visitor-keys" "^1.0.0"
-    "@typescript-eslint/experimental-utils" "3.8.0"
-    "@typescript-eslint/types" "3.8.0"
-    "@typescript-eslint/typescript-estree" "3.8.0"
+    "@typescript-eslint/experimental-utils" "3.9.0"
+    "@typescript-eslint/types" "3.9.0"
+    "@typescript-eslint/typescript-estree" "3.9.0"
     eslint-visitor-keys "^1.1.0"
 
-"@typescript-eslint/types@3.8.0":
-  version "3.8.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-3.8.0.tgz#58581dd863f86e0cd23353d94362bb90b4bea796"
-  integrity sha512-8kROmEQkv6ss9kdQ44vCN1dTrgu4Qxrd2kXr10kz2NP5T8/7JnEfYNxCpPkArbLIhhkGLZV3aVMplH1RXQRF7Q==
-
 "@typescript-eslint/types@3.9.0":
   version "3.9.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-3.9.0.tgz#be9d0aa451e1bf3ce99f2e6920659e5b2e6bfe18"
   integrity sha512-rb6LDr+dk9RVVXO/NJE8dT1pGlso3voNdEIN8ugm4CWM5w5GimbThCMiMl4da1t5u3YwPWEwOnKAULCZgBtBHg==
 
-"@typescript-eslint/typescript-estree@3.8.0":
-  version "3.8.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-3.8.0.tgz#0606d19f629f813dbdd5a34c7a1e895d6191cac6"
-  integrity sha512-MTv9nPDhlKfclwnplRNDL44mP2SY96YmPGxmMbMy6x12I+pERcxpIUht7DXZaj4mOKKtet53wYYXU0ABaiXrLw==
-  dependencies:
-    "@typescript-eslint/types" "3.8.0"
-    "@typescript-eslint/visitor-keys" "3.8.0"
-    debug "^4.1.1"
-    glob "^7.1.6"
-    is-glob "^4.0.1"
-    lodash "^4.17.15"
-    semver "^7.3.2"
-    tsutils "^3.17.1"
-
 "@typescript-eslint/typescript-estree@3.9.0":
   version "3.9.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-3.9.0.tgz#c6abbb50fa0d715cab46fef67ca6378bf2eaca13"
@@ -1386,13 +1356,6 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
-"@typescript-eslint/visitor-keys@3.8.0":
-  version "3.8.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-3.8.0.tgz#ad35110249fb3fc30a36bfcbfeea93e710cfaab1"
-  integrity sha512-gfqQWyVPpT9NpLREXNR820AYwgz+Kr1GuF3nf1wxpHD6hdxI62tq03ToomFnDxY0m3pUB39IF7sil7D5TQexLA==
-  dependencies:
-    eslint-visitor-keys "^1.1.0"
-
 "@typescript-eslint/visitor-keys@3.9.0":
   version "3.9.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-3.9.0.tgz#44de8e1b1df67adaf3b94d6b60b80f8faebc8dd3"