diff --git a/package-lock.json b/package-lock.json
index 2d3f2f80..fc37a619 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -468,9 +468,9 @@
       }
     },
     "@types/lodash": {
-      "version": "4.14.141",
-      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.141.tgz",
-      "integrity": "sha512-v5NYIi9qEbFEUpCyikmnOYe4YlP8BMUdTcNCAquAKzu+FA7rZ1onj9x80mbnDdOW/K5bFf3Tv5kJplP33+gAbQ==",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-FOvQ0YPD5NOfPgMzJihoT+Za5pdkDJWcbpuj1DjaKZIr/gxodQjY/uWEFlTNqW2ugXHUiL8lRQgw63dzKHZdeQ==",
       "dev": true
     },
     "@types/minimatch": {
diff --git a/package.json b/package.json
index 96e005c2..7c091982 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "@ht2-labs/semantic-release": "1.1.90",
     "@ht2-labs/typescript-project": "1.1.0",
     "@types/commander": "2.12.2",
-    "@types/lodash": "4.14.141",
+    "@types/lodash": "4.17.21",
     "@types/mocha": "5.2.7",
     "@types/node": "8.10.34",
     "@types/source-map-support": "0.5.0",