diff --git a/package-lock.json b/package-lock.json
index 8b31e65f..b8ad752e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4170,9 +4170,9 @@
       "dev": true
     },
     "diff": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
-      "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.1.tgz",
+      "integrity": "sha512-s2+XdvhPCOF01LRQBC8hf4vhbVmI2CGS5aZnxLJlT5FtdhPCDFq80q++zK2KlrVorVDdL5BOGZ/VfLrVtYNF+Q==",
       "dev": true
     },
     "diffie-hellman": {
@@ -10919,18 +10919,18 @@
       "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ=="
     },
     "tslint": {
-      "version": "5.15.0",
-      "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.15.0.tgz",
-      "integrity": "sha512-6bIEujKR21/3nyeoX2uBnE8s+tMXCQXhqMmaIPJpHmXJoBJPTLcI7/VHRtUwMhnLVdwLqqY3zmd8Dxqa5CVdJA==",
+      "version": "5.20.0",
+      "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.20.0.tgz",
+      "integrity": "sha512-2vqIvkMHbnx8acMogAERQ/IuINOq6DFqgF8/VDvhEkBqQh/x6SP0Y+OHnKth9/ZcHQSroOZwUQSN18v8KKF0/g==",
       "dev": true,
       "requires": {
-        "babel-code-frame": "^6.22.0",
+        "@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": "^3.13.0",
+        "js-yaml": "^3.13.1",
         "minimatch": "^3.0.4",
         "mkdirp": "^0.5.1",
         "resolve": "^1.3.2",
diff --git a/package.json b/package.json
index 903aeacb..546fa4f0 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "karma-jasmine-html-reporter": "^1.4.0",
     "protractor": "~5.4.0",
     "ts-node": "~8.4.1",
-    "tslint": "~5.15.0",
+    "tslint": "~5.20.0",
     "typescript": "~3.5.3"
   }
 }