diff --git a/projects/qlack-typescript-qng-pub-sub/package-lock.json b/projects/qlack-typescript-qng-pub-sub/package-lock.json
index 6ec2d78..2b279df 100644
--- a/projects/qlack-typescript-qng-pub-sub/package-lock.json
+++ b/projects/qlack-typescript-qng-pub-sub/package-lock.json
@@ -13,9 +13,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     }
   }
 }