diff --git a/package-lock.json b/package-lock.json
index f0f0dd3e..1569c340 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9113,9 +9113,9 @@
       }
     },
     "tsconfig-holy-grail": {
-      "version": "3.0.23",
-      "resolved": "https://registry.npmjs.org/tsconfig-holy-grail/-/tsconfig-holy-grail-3.0.23.tgz",
-      "integrity": "sha512-N+s9K0BPqRi106tO64SqejwKHm2JpIDzw9LgaUAUnNbEtk0eZ4sZk5jWEGKrN7kyDO+wfgJqi6WbzS4AyCHijQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/tsconfig-holy-grail/-/tsconfig-holy-grail-4.0.0.tgz",
+      "integrity": "sha512-3r/KnfL83cIulj9HbUfNl9fqlGTyTuOnjcUvb1d8/GaPeKM65CyX2R0yYj1SMmsCuYrtqHhDOVyF50PVke/1vw==",
       "dev": true,
       "requires": {
         "@types/node": "9.4.6"
diff --git a/package.json b/package.json
index 43bf86c7..19f662f0 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "sinon": "^4.3.0",
     "sinon-chai": "^2.14.0",
     "ts-loader": "^3.5.0",
-    "tsconfig-holy-grail": "^3.0.23",
+    "tsconfig-holy-grail": "^4.0.0",
     "tslint": "^5.9.1",
     "tslint-config-holy-grail": "^22.0.5",
     "typescript": "^2.7.2",