diff --git a/ps5-mqtt/client/package.json b/ps5-mqtt/client/package.json
index 85b3e70..f0dd4c8 100644
--- a/ps5-mqtt/client/package.json
+++ b/ps5-mqtt/client/package.json
@@ -7,7 +7,7 @@
         "watch": "esbuild src/client.tsx --bundle --outfile=dist/client.js --watch"
     },
     "devDependencies": {
-        "@types/react": "^18.2.14",
+        "@types/react": "^18.2.21",
         "@types/react-dom": "^18.0.11",
         "esbuild": "^0.15.11",
         "grommet": "^2.26.0",
diff --git a/ps5-mqtt/package-lock.json b/ps5-mqtt/package-lock.json
index e050ee2..1625cfe 100644
--- a/ps5-mqtt/package-lock.json
+++ b/ps5-mqtt/package-lock.json
@@ -27,7 +27,7 @@
             "name": "@ps5-mqtt/client",
             "version": "1.0.0",
             "devDependencies": {
-                "@types/react": "^18.2.14",
+                "@types/react": "^18.2.21",
                 "@types/react-dom": "^18.0.11",
                 "esbuild": "^0.15.11",
                 "grommet": "^2.26.0",
@@ -1671,9 +1671,9 @@
             "dev": true
         },
         "node_modules/@types/react": {
-            "version": "18.2.14",
-            "resolved": "https://registry.npmjs.org/@types/react/-/react-18.2.14.tgz",
-            "integrity": "sha512-A0zjq+QN/O0Kpe30hA1GidzyFjatVvrpIvWLxD+xv67Vt91TWWgco9IvrJBkeyHm1trGaFS/FSGqPlhyeZRm0g==",
+            "version": "18.2.21",
+            "resolved": "https://registry.npmjs.org/@types/react/-/react-18.2.21.tgz",
+            "integrity": "sha512-neFKG/sBAwGxHgXiIxnbm3/AAVQ/cMRS93hvBpg8xYRbeQSPVABp9U2bRnPf0iI4+Ucdv3plSxKK+3CW2ENJxA==",
             "dev": true,
             "dependencies": {
                 "@types/prop-types": "*",
@@ -9187,7 +9187,7 @@
         "@ps5-mqtt/client": {
             "version": "file:client",
             "requires": {
-                "@types/react": "^18.2.14",
+                "@types/react": "^18.2.21",
                 "@types/react-dom": "^18.0.11",
                 "esbuild": "^0.15.11",
                 "grommet": "^2.26.0",
@@ -9580,9 +9580,9 @@
             "dev": true
         },
         "@types/react": {
-            "version": "18.2.14",
-            "resolved": "https://registry.npmjs.org/@types/react/-/react-18.2.14.tgz",
-            "integrity": "sha512-A0zjq+QN/O0Kpe30hA1GidzyFjatVvrpIvWLxD+xv67Vt91TWWgco9IvrJBkeyHm1trGaFS/FSGqPlhyeZRm0g==",
+            "version": "18.2.21",
+            "resolved": "https://registry.npmjs.org/@types/react/-/react-18.2.21.tgz",
+            "integrity": "sha512-neFKG/sBAwGxHgXiIxnbm3/AAVQ/cMRS93hvBpg8xYRbeQSPVABp9U2bRnPf0iI4+Ucdv3plSxKK+3CW2ENJxA==",
             "dev": true,
             "requires": {
                 "@types/prop-types": "*",