diff --git a/installation/add-react-to-a-website/package-lock.json b/installation/add-react-to-a-website/package-lock.json
index 576ea49..9030d8e 100644
--- a/installation/add-react-to-a-website/package-lock.json
+++ b/installation/add-react-to-a-website/package-lock.json
@@ -988,9 +988,9 @@
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-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A=="
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ=="
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     "cache-base": {
       "version": "1.0.1",
@@ -2576,9 +2576,9 @@
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     "source-map-support": {
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-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.19.tgz",
-      "integrity": "sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==",
+      "version": "0.5.21",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
+      "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
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@@ -2643,9 +2643,9 @@
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     "terser": {
-      "version": "4.8.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.0.tgz",
-      "integrity": "sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
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diff --git a/installation/add-react-to-a-website/package.json b/installation/add-react-to-a-website/package.json
index 371be43..3f0449b 100644
--- a/installation/add-react-to-a-website/package.json
+++ b/installation/add-react-to-a-website/package.json
@@ -12,6 +12,6 @@
   "dependencies": {
     "babel-cli": "^6.26.0",
     "babel-preset-react-app": "^3.1.2",
-    "terser": "^4.8.0"
+    "terser": "^4.8.1"
   }
 }