diff --git a/functions/package.json b/functions/package.json
index 4cb5d33..da37697 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -34,7 +34,7 @@
     "@typescript-eslint/parser": "2.0.0",
     "eslint": "6.2.1",
     "eslint-config-prettier": "6.1.0",
-    "eslint-plugin-node": "9.1.0",
+    "eslint-plugin-node": "11.1.0",
     "eslint-plugin-prettier": "3.1.0",
     "husky": "3.0.4",
     "lint-staged": "9.2.4",
diff --git a/functions/yarn.lock b/functions/yarn.lock
index 8d30923..e060d1e 100644
--- a/functions/yarn.lock
+++ b/functions/yarn.lock
@@ -950,21 +950,21 @@ eslint-config-prettier@6.1.0:
   dependencies:
     get-stdin "^6.0.0"
 
-eslint-plugin-es@^1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-es/-/eslint-plugin-es-1.4.0.tgz#475f65bb20c993fc10e8c8fe77d1d60068072da6"
-  integrity sha512-XfFmgFdIUDgvaRAlaXUkxrRg5JSADoRC8IkKLc/cISeR3yHVMefFHQZpcyXXEUUPHfy5DwviBcrfqlyqEwlQVw==
+eslint-plugin-es@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-es/-/eslint-plugin-es-3.0.1.tgz#75a7cdfdccddc0589934aeeb384175f221c57893"
+  integrity sha512-GUmAsJaN4Fc7Gbtl8uOBlayo2DqhwWvEzykMHSCZHU3XdJ+NSzzZcVhXh3VxX5icqQ+oQdIEawXX8xkR3mIFmQ==
   dependencies:
-    eslint-utils "^1.3.0"
-    regexpp "^2.0.1"
+    eslint-utils "^2.0.0"
+    regexpp "^3.0.0"
 
-eslint-plugin-node@9.1.0:
-  version "9.1.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-node/-/eslint-plugin-node-9.1.0.tgz#f2fd88509a31ec69db6e9606d76dabc5adc1b91a"
-  integrity sha512-ZwQYGm6EoV2cfLpE1wxJWsfnKUIXfM/KM09/TlorkukgCAwmkgajEJnPCmyzoFPQQkmvo5DrW/nyKutNIw36Mw==
+eslint-plugin-node@11.1.0:
+  version "11.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-node/-/eslint-plugin-node-11.1.0.tgz#c95544416ee4ada26740a30474eefc5402dc671d"
+  integrity sha512-oUwtPJ1W0SKD0Tr+wqu92c5xuCeQqB3hSCHasn/ZgjFdA9iDGNkNf2Zi9ztY7X+hNuMib23LNGRm6+uN+KLE3g==
   dependencies:
-    eslint-plugin-es "^1.4.0"
-    eslint-utils "^1.3.1"
+    eslint-plugin-es "^3.0.0"
+    eslint-utils "^2.0.0"
     ignore "^5.1.1"
     minimatch "^3.0.4"
     resolve "^1.10.1"
@@ -993,13 +993,20 @@ eslint-scope@^5.0.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-utils@^1.3.0, eslint-utils@^1.3.1, eslint-utils@^1.4.0, eslint-utils@^1.4.2:
+eslint-utils@^1.4.0, eslint-utils@^1.4.2:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-1.4.2.tgz#166a5180ef6ab7eb462f162fd0e6f2463d7309ab"
   integrity sha512-eAZS2sEUMlIeCjBeubdj45dmBHQwPHWyBcT1VSYB7o9x9WRRqKxyUoiXlRjyAwzN7YEzHJlYg0NmzDRWx6GP4Q==
   dependencies:
     eslint-visitor-keys "^1.0.0"
 
+eslint-utils@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-2.1.0.tgz#d2de5e03424e707dc10c74068ddedae708741b27"
+  integrity sha512-w94dQYoauyvlDc43XnGB8lU3Zt713vNChgt4EWwhXAP2XkBvndfxF0AgIqKOOasjPIPzj9JqgwkwbCYD0/V3Zg==
+  dependencies:
+    eslint-visitor-keys "^1.1.0"
+
 eslint-visitor-keys@^1.0.0, eslint-visitor-keys@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
@@ -2537,6 +2544,11 @@ regexpp@^2.0.1:
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-2.0.1.tgz#8d19d31cf632482b589049f8281f93dbcba4d07f"
   integrity sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==
 
+regexpp@^3.0.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-3.2.0.tgz#0425a2768d8f23bad70ca4b90461fa2f1213e1b2"
+  integrity sha512-pq2bWo9mVD43nbts2wGv17XLiNLya+GklZ8kaDLV2Z08gDCsGpnKn9BFMepvWuHCbyVvY7J5o5+BVvoQbmlJLg==
+
 resolve-from@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-3.0.0.tgz#b22c7af7d9d6881bc8b6e653335eebcb0a188748"