diff --git a/package-lock.json b/package-lock.json
index 74fe1dc..3c1a96e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1121,13 +1121,13 @@
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     },
     "@typescript-eslint/eslint-plugin": {
-      "version": "4.14.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.14.0.tgz",
-      "integrity": "sha512-IJ5e2W7uFNfg4qh9eHkHRUCbgZ8VKtGwD07kannJvM5t/GU8P8+24NX8gi3Hf5jST5oWPY8kyV1s/WtfiZ4+Ww==",
+      "version": "4.15.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.15.0.tgz",
+      "integrity": "sha512-DJgdGZW+8CFUTz5C/dnn4ONcUm2h2T0itWD85Ob5/V27Ndie8hUoX5HKyGssvR8sUMkAIlUc/AMK67Lqa3kBIQ==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/experimental-utils": "4.14.0",
-        "@typescript-eslint/scope-manager": "4.14.0",
+        "@typescript-eslint/experimental-utils": "4.15.0",
+        "@typescript-eslint/scope-manager": "4.15.0",
         "debug": "^4.1.1",
         "functional-red-black-tree": "^1.0.1",
         "lodash": "^4.17.15",
@@ -1148,15 +1148,15 @@
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     },
     "@typescript-eslint/experimental-utils": {
-      "version": "4.14.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.14.0.tgz",
-      "integrity": "sha512-6i6eAoiPlXMKRbXzvoQD5Yn9L7k9ezzGRvzC/x1V3650rUk3c3AOjQyGYyF9BDxQQDK2ElmKOZRD0CbtdkMzQQ==",
+      "version": "4.15.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.15.0.tgz",
+      "integrity": "sha512-V4vaDWvxA2zgesg4KPgEGiomWEBpJXvY4ZX34Y3qxK8LUm5I87L+qGIOTd9tHZOARXNRt9pLbblSKiYBlGMawg==",
       "dev": true,
       "requires": {
         "@types/json-schema": "^7.0.3",
-        "@typescript-eslint/scope-manager": "4.14.0",
-        "@typescript-eslint/types": "4.14.0",
-        "@typescript-eslint/typescript-estree": "4.14.0",
+        "@typescript-eslint/scope-manager": "4.15.0",
+        "@typescript-eslint/types": "4.15.0",
+        "@typescript-eslint/typescript-estree": "4.15.0",
         "eslint-scope": "^5.0.0",
         "eslint-utils": "^2.0.0"
       }
@@ -1227,33 +1227,32 @@
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-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.14.0.tgz",
-      "integrity": "sha512-/J+LlRMdbPh4RdL4hfP1eCwHN5bAhFAGOTsvE6SxsrM/47XQiPSgF5MDgLyp/i9kbZV9Lx80DW0OpPkzL+uf8Q==",
+      "version": "4.15.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.15.0.tgz",
+      "integrity": "sha512-CSNBZnCC2jEA/a+pR9Ljh8Y+5TY5qgbPz7ICEk9WCpSEgT6Pi7H2RIjxfrrbUXvotd6ta+i27sssKEH8Azm75g==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/types": "4.14.0",
-        "@typescript-eslint/visitor-keys": "4.14.0"
+        "@typescript-eslint/types": "4.15.0",
+        "@typescript-eslint/visitor-keys": "4.15.0"
       }
     },
     "@typescript-eslint/types": {
-      "version": "4.14.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-4.14.0.tgz",
-      "integrity": "sha512-VsQE4VvpldHrTFuVPY1ZnHn/Txw6cZGjL48e+iBxTi2ksa9DmebKjAeFmTVAYoSkTk7gjA7UqJ7pIsyifTsI4A==",
+      "version": "4.15.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-4.15.0.tgz",
+      "integrity": "sha512-su4RHkJhS+iFwyqyXHcS8EGPlUVoC+XREfy5daivjLur9JP8GhvTmDipuRpcujtGC4M+GYhUOJCPDE3rC5NJrg==",
       "dev": true
     },
     "@typescript-eslint/typescript-estree": {
-      "version": "4.14.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.14.0.tgz",
-      "integrity": "sha512-wRjZ5qLao+bvS2F7pX4qi2oLcOONIB+ru8RGBieDptq/SudYwshveORwCVU4/yMAd4GK7Fsf8Uq1tjV838erag==",
+      "version": "4.15.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.15.0.tgz",
+      "integrity": "sha512-jG6xTmcNbi6xzZq0SdWh7wQ9cMb2pqXaUp6bUZOMsIlu5aOlxGxgE/t6L/gPybybQGvdguajXGkZKSndZJpksA==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/types": "4.14.0",
-        "@typescript-eslint/visitor-keys": "4.14.0",
+        "@typescript-eslint/types": "4.15.0",
+        "@typescript-eslint/visitor-keys": "4.15.0",
         "debug": "^4.1.1",
         "globby": "^11.0.1",
         "is-glob": "^4.0.1",
-        "lodash": "^4.17.15",
         "semver": "^7.3.2",
         "tsutils": "^3.17.1"
       },
@@ -1270,12 +1269,12 @@
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     },
     "@typescript-eslint/visitor-keys": {
-      "version": "4.14.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.14.0.tgz",
-      "integrity": "sha512-MeHHzUyRI50DuiPgV9+LxcM52FCJFYjJiWHtXlbyC27b80mfOwKeiKI+MHOTEpcpfmoPFm/vvQS88bYIx6PZTA==",
+      "version": "4.15.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.15.0.tgz",
+      "integrity": "sha512-RnDtJwOwFucWFAMjG3ghCG/ikImFJFEg20DI7mn4pHEx3vC48lIAoyjhffvfHmErRDboUPC7p9Z2il4CLb7qxA==",
       "dev": true,
       "requires": {
-        "@typescript-eslint/types": "4.14.0",
+        "@typescript-eslint/types": "4.15.0",
         "eslint-visitor-keys": "^2.0.0"
       }
     },
diff --git a/package.json b/package.json
index c3e6586..944d92b 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "yarn": "^1.22.10"
   },
   "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "^4.14.0",
+    "@typescript-eslint/eslint-plugin": "^4.15.0",
     "@typescript-eslint/parser": "^4.14.0",
     "eslint": "^7.19.0",
     "eslint-config-google": "^0.14.0"