diff --git a/package-lock.json b/package-lock.json
index 443d15e5..ae717840 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,17 +1,17 @@
 {
   "name": "pos-portal",
-  "version": "1.2.0",
+  "version": "1.5.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "1.2.0",
+      "version": "1.5.2",
       "license": "MIT",
       "dependencies": {
         "ganache-cli": "^6.9.1"
       },
       "devDependencies": {
-        "@openzeppelin/contracts": "^3.1.0",
+        "@openzeppelin/contracts": "=3.1.0",
         "@openzeppelin/test-helpers": "^0.5.5",
         "@truffle/hdwallet-provider": "^1.0.35",
         "babel-cli": "^6.26.0",
@@ -3206,7 +3206,6 @@
       "dependencies": {
         "anymatch": "^1.3.0",
         "async-each": "^1.0.0",
-        "fsevents": "^1.0.0",
         "glob-parent": "^2.0.0",
         "inherits": "^2.0.1",
         "is-binary-path": "^1.0.0",
@@ -3831,9 +3830,9 @@
       }
     },
     "node_modules/decode-uri-component": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
-      "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.2.tgz",
+      "integrity": "sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==",
       "dev": true,
       "engines": {
         "node": ">=0.10"
@@ -9670,7 +9669,6 @@
       "dependencies": {
         "anymatch": "~3.1.1",
         "braces": "~3.0.2",
-        "fsevents": "~2.1.1",
         "glob-parent": "~5.1.0",
         "is-binary-path": "~2.1.0",
         "is-glob": "~4.0.1",
@@ -10216,7 +10214,6 @@
       "dependencies": {
         "a-sync-waterfall": "^1.0.0",
         "asap": "^2.0.3",
-        "chokidar": "^3.3.0",
         "commander": "^3.0.2"
       },
       "bin": {
@@ -19892,9 +19889,9 @@
       "dev": true
     },
     "decode-uri-component": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
-      "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.2.tgz",
+      "integrity": "sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==",
       "dev": true
     },
     "decompress": {