diff --git a/Hands-on lab/lab-files/package-lock.json b/Hands-on lab/lab-files/package-lock.json
old mode 100755
new mode 100644
index 873357f..28a29c6
--- a/Hands-on lab/lab-files/package-lock.json	
+++ b/Hands-on lab/lab-files/package-lock.json	
@@ -1781,11 +1781,18 @@
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     "async": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
-      "integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "requires": {
-        "lodash": "^4.17.11"
+        "lodash": "^4.17.14"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+        }
       }
     },
     "async-each": {
diff --git a/Hands-on lab/lab-files/package.json b/Hands-on lab/lab-files/package.json
index e4d94fe..91ffa03 100644
--- a/Hands-on lab/lab-files/package.json	
+++ b/Hands-on lab/lab-files/package.json	
@@ -3,7 +3,7 @@
   "version": "0.2.0",
   "private": true,
   "dependencies": {
-    "async": "^2.6.2",
+    "async": "^2.6.4",
     "axios": "^0.18.0",
     "bcryptjs": "^2.4.3",
     "bluebird": "^3.5.4",