diff --git a/webpack-typescript-react-demo/package-lock.json b/webpack-typescript-react-demo/package-lock.json
index 42f4dab..3d0ba97 100644
--- a/webpack-typescript-react-demo/package-lock.json
+++ b/webpack-typescript-react-demo/package-lock.json
@@ -11,7 +11,7 @@
         "@pki-chemistry/chemdraw-js": "file:../dependencies/chemdraw-js.tgz",
         "axios": "^1.4.0",
         "bootstrap": "^5.2.3",
-        "react": "^18.2.0",
+        "react": "^18.3.1",
         "react-bootstrap": "^2.7.4",
         "react-dom": "^18.2.0",
         "react-use": "^17.4.0"
@@ -3549,9 +3549,10 @@
       }
     },
     "node_modules/react": {
-      "version": "18.2.0",
-      "resolved": "https://registry.npmjs.org/react/-/react-18.2.0.tgz",
-      "integrity": "sha512-/3IjMdb2L9QbBdWiW5e3P2/npwMBaU9mHCSCUzNln0ZCYbcfTsGbTJrU/kGemdH2IWmB2ioZ+zkxtmq6g09fGQ==",
+      "version": "18.3.1",
+      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
+      "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
+      "license": "MIT",
       "dependencies": {
         "loose-envify": "^1.1.0"
       },
@@ -7785,9 +7786,9 @@
       }
     },
     "react": {
-      "version": "18.2.0",
-      "resolved": "https://registry.npmjs.org/react/-/react-18.2.0.tgz",
-      "integrity": "sha512-/3IjMdb2L9QbBdWiW5e3P2/npwMBaU9mHCSCUzNln0ZCYbcfTsGbTJrU/kGemdH2IWmB2ioZ+zkxtmq6g09fGQ==",
+      "version": "18.3.1",
+      "resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
+      "integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
       "requires": {
         "loose-envify": "^1.1.0"
       }
diff --git a/webpack-typescript-react-demo/package.json b/webpack-typescript-react-demo/package.json
index ebf8e9f..c6c60b7 100644
--- a/webpack-typescript-react-demo/package.json
+++ b/webpack-typescript-react-demo/package.json
@@ -11,7 +11,7 @@
     "@pki-chemistry/chemdraw-js": "file:../dependencies/chemdraw-js.tgz",
     "axios": "^1.4.0",
     "bootstrap": "^5.2.3",
-    "react": "^18.2.0",
+    "react": "^18.3.1",
     "react-bootstrap": "^2.7.4",
     "react-dom": "^18.2.0",
     "react-use": "^17.4.0"