diff --git a/package.json b/package.json
index e2cbc60..f464a87 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "@types/graphql": "^14.2.3",
     "rimraf": "^2.6.3",
-    "tslint": "^5.18.0",
+    "tslint": "^6.0.0",
     "typescript": "^3.5.3"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 2dcb3dc..c7758e8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -628,10 +628,10 @@ dicer@0.3.0:
   dependencies:
     streamsearch "0.1.2"
 
-diff@^3.2.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
-  integrity sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==
+diff@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+  integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
 
 ee-first@1.1.1:
   version "1.1.1"
@@ -1256,33 +1256,28 @@ ts-invariant@^0.4.0:
   dependencies:
     tslib "^1.9.3"
 
-tslib@^1.8.0, tslib@^1.8.1:
-  version "1.9.3"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
-  integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
-
-tslib@^1.9.3:
+tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.3:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
 
-tslint@^5.18.0:
-  version "5.18.0"
-  resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.18.0.tgz#f61a6ddcf372344ac5e41708095bbf043a147ac6"
-  integrity sha512-Q3kXkuDEijQ37nXZZLKErssQVnwCV/+23gFEMROi8IlbaBG6tXqLPQJ5Wjcyt/yHPKBC+hD5SzuGaMora+ZS6w==
+tslint@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.0.0.tgz#1c0148beac4779924216302f192cdaa153618310"
+  integrity sha512-9nLya8GBtlFmmFMW7oXXwoXS1NkrccqTqAtwXzdPV9e2mqSEvCki6iHL/Fbzi5oqbugshzgGPk7KBb2qNP1DSA==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     builtin-modules "^1.1.1"
     chalk "^2.3.0"
     commander "^2.12.1"
-    diff "^3.2.0"
+    diff "^4.0.1"
     glob "^7.1.1"
     js-yaml "^3.13.1"
     minimatch "^3.0.4"
     mkdirp "^0.5.1"
     resolve "^1.3.2"
     semver "^5.3.0"
-    tslib "^1.8.0"
+    tslib "^1.10.0"
     tsutils "^2.29.0"
 
 tsutils@^2.29.0: