diff --git a/package-lock.json b/package-lock.json
index 3bd14db..13e8bb8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,22 +5,28 @@
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-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
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+      "version": "7.10.1",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.1.tgz",
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       "dev": true,
       "requires": {
-        "@babel/highlight": "^7.0.0"
+        "@babel/highlight": "^7.10.1"
       }
     },
+    "@babel/helper-validator-identifier": {
+      "version": "7.10.1",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.1.tgz",
+      "integrity": "sha512-5vW/JXLALhczRCWP0PnFDMCJAchlBvM7f4uk/jXritBnIa6E1KmqmtrS3yn1LAnxFBypQ3eneLuXjsnfQsgILw==",
+      "dev": true
+    },
     "@babel/highlight": {
-      "version": "7.5.0",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
-      "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
+      "version": "7.10.1",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.10.1.tgz",
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       "dev": true,
       "requires": {
+        "@babel/helper-validator-identifier": "^7.10.1",
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-        "esutils": "^2.0.2",
         "js-tokens": "^4.0.0"
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@@ -522,6 +528,12 @@
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+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -740,12 +752,6 @@
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       "dev": true
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-    "esutils": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz",
-      "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==",
-      "dev": true
-    },
     "events": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/events/-/events-1.1.1.tgz",
@@ -1256,9 +1262,9 @@
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     "js-yaml": {
-      "version": "3.13.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
-      "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
+      "version": "3.14.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.0.tgz",
+      "integrity": "sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==",
       "dev": true,
       "requires": {
         "argparse": "^1.0.7",
@@ -2614,16 +2620,16 @@
       "dev": true
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     "tslint": {
-      "version": "5.18.0",
-      "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.18.0.tgz",
-      "integrity": "sha512-Q3kXkuDEijQ37nXZZLKErssQVnwCV/+23gFEMROi8IlbaBG6tXqLPQJ5Wjcyt/yHPKBC+hD5SzuGaMora+ZS6w==",
+      "version": "5.20.1",
+      "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.20.1.tgz",
+      "integrity": "sha512-EcMxhzCFt8k+/UP5r8waCf/lzmeSyVlqxqMEDQE7rWYiQky8KpIBz1JAoYXfROHrPZ1XXd43q8yQnULOLiBRQg==",
       "dev": true,
       "requires": {
         "@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",
@@ -2634,10 +2640,10 @@
         "tsutils": "^2.29.0"
       },
       "dependencies": {
-        "commander": {
-          "version": "2.20.3",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
-          "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+        "diff": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
+          "integrity": "sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==",
           "dev": true
         }
       }
diff --git a/package.json b/package.json
index 5f2eb1d..4c1def9 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "check-engine": "1.8.1",
     "mocha": "3.5.3",
     "np": "3.1.0",
-    "tslint": "5.18.0",
+    "tslint": "5.20.1",
     "typescript": "^3.6.2"
   },
   "dependencies": {