diff --git a/package.json b/package.json
index b93f8ba..b52a94f 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "sinon": "7.4.2",
     "source-map-support": "0.5.13",
     "standard-version": "7.0.0",
-    "tslint": "5.19.0",
+    "tslint": "5.20.0",
     "tslint-clean-code": "0.2.9",
     "tslint-microsoft-contrib": "6.2.0",
     "tslint-sonarts": "1.9.0",
diff --git a/yarn.lock b/yarn.lock
index f0ada35..569da3d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -800,7 +800,7 @@ detect-newline@3.0.0:
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-3.0.0.tgz#8ae477c089e51872c264531cd6547719c0b86b2f"
   integrity sha512-JAP22dVPAqvhdRFFxK1G5GViIokyUn0UWXRNW0ztK96fsqi9cuM8w8ESbSk+T2w5OVorcMcL6m7yUg1RrX+2CA==
 
-diff@3.5.0, diff@^3.2.0, diff@^3.5.0:
+diff@3.5.0, diff@^3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
   integrity sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==
@@ -2848,26 +2848,7 @@ tslint-sonarts@1.9.0:
   dependencies:
     immutable "^3.8.2"
 
-tslint@5.19.0:
-  version "5.19.0"
-  resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.19.0.tgz#a2cbd4a7699386da823f6b499b8394d6c47bb968"
-  integrity sha512-1LwwtBxfRJZnUvoS9c0uj8XQtAnyhWr9KlNvDIdB+oXyT+VpsOAaEhEgKi1HrZ8rq0ki/AAnbGSv4KM6/AfVZw==
-  dependencies:
-    "@babel/code-frame" "^7.0.0"
-    builtin-modules "^1.1.1"
-    chalk "^2.3.0"
-    commander "^2.12.1"
-    diff "^3.2.0"
-    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"
-    tsutils "^2.29.0"
-
-tslint@^5.9.1:
+tslint@5.20.0, tslint@^5.9.1:
   version "5.20.0"
   resolved "https://artifacts.apextoaster.com/repository/group-npm/tslint/-/tslint-5.20.0.tgz#fac93bfa79568a5a24e7be9cdde5e02b02d00ec1"
   integrity sha512-2vqIvkMHbnx8acMogAERQ/IuINOq6DFqgF8/VDvhEkBqQh/x6SP0Y+OHnKth9/ZcHQSroOZwUQSN18v8KKF0/g==