diff --git a/10-universal-javascript/05-react-hello-world/package-lock.json b/10-universal-javascript/05-react-hello-world/package-lock.json
index 18ce5b16..18b68736 100644
--- a/10-universal-javascript/05-react-hello-world/package-lock.json
+++ b/10-universal-javascript/05-react-hello-world/package-lock.json
@@ -3780,24 +3780,24 @@
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-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
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           "requires": {
-            "safe-buffer": "~5.1.0"
+            "code-point-at": "^1.0.0",
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@@ -4139,9 +4139,9 @@
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+      "version": "3.1.1",
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@@ -5868,9 +5868,9 @@
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+      "resolved": "https://registry.npmjs.org/react/-/react-16.14.0.tgz",
+      "integrity": "sha512-0X2CImDkJGApiAlcf0ODKIneSwBPhqJawOa5wCtKbu7ZECrmS26NvtSILynQ66cgkT/RJ4LidJOc3bUESwmU8g==",
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@@ -5878,9 +5878,9 @@
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-      "integrity": "sha512-81PIMmVLnCNLO/fFOQxdQkvEq/+Hfpv24XNJfpyZhTRfO0QcmQIF/PgCa1zCOj2w1hrn12MFLyaJ/G0+Mxtfag==",
+      "version": "16.14.0",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.14.0.tgz",
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@@ -6808,6 +6808,23 @@
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       "dev": true
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+    "string_decoder": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "dev": true,
+      "requires": {
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+      },
+      "dependencies": {
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+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
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@@ -6878,23 +6895,6 @@
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diff --git a/10-universal-javascript/05-react-hello-world/package.json b/10-universal-javascript/05-react-hello-world/package.json
index c098feb1..64cf0d09 100644
--- a/10-universal-javascript/05-react-hello-world/package.json
+++ b/10-universal-javascript/05-react-hello-world/package.json
@@ -23,9 +23,9 @@
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   },
   "dependencies": {
-    "htm": "^3.0.3",
-    "react": "^16.13.1",
-    "react-dom": "^16.13.1"
+    "htm": "^3.1.1",
+    "react": "^16.14.0",
+    "react-dom": "^16.14.0"
   },
   "engines": {
     "node": ">=14"