diff --git a/html/package-lock.json b/html/package-lock.json
index 60557c57..8c44f82c 100644
--- a/html/package-lock.json
+++ b/html/package-lock.json
@@ -12,9 +12,9 @@
         "@testing-library/react": "^16.1.0",
         "@testing-library/user-event": "^14.5.2",
         "diff": "^7.0.0",
-        "react": "^18.3.1",
+        "react": "^19.0.0",
         "react-ace": "^13.0.0",
-        "react-dom": "^18.3.1",
+        "react-dom": "^19.0.0",
         "react-scripts": "5.0.1",
         "web-vitals": "^4.2.4"
       },
@@ -11848,12 +11848,9 @@
       }
     },
     "node_modules/react": {
-      "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==",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      },
+      "version": "19.0.0",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.0.0.tgz",
+      "integrity": "sha512-V8AVnmPIICiWpGfm6GLzCR/W5FXLchHop40W4nXBmdlEceh16rCN8O8LNWm5bh5XUX91fh7KpA+W0TgMKmgTpQ==",
       "engines": {
         "node": ">=0.10.0"
       }
@@ -11933,15 +11930,14 @@
       }
     },
     "node_modules/react-dom": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.3.1.tgz",
-      "integrity": "sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==",
+      "version": "19.0.0",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.0.0.tgz",
+      "integrity": "sha512-4GV5sHFG0e/0AD4X+ySy6UJd3jVl1iNsNHdpad0qhABJ11twS3TTBnseqsKurKcsNqCEFeGL3uLpVChpIO3QfQ==",
       "dependencies": {
-        "loose-envify": "^1.1.0",
-        "scheduler": "^0.23.2"
+        "scheduler": "^0.25.0"
       },
       "peerDependencies": {
-        "react": "^18.3.1"
+        "react": "^19.0.0"
       }
     },
     "node_modules/react-error-overlay": {
@@ -13453,12 +13449,9 @@
       }
     },
     "node_modules/scheduler": {
-      "version": "0.23.2",
-      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.2.tgz",
-      "integrity": "sha512-UOShsPwz7NrMUqhR6t0hWjFduvOzbtv7toDH1/hIrfRNIDBnnBWd0CwJTGvTpngVlmwGCdP9/Zl/tVrDqcuYzQ==",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      }
+      "version": "0.25.0",
+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.25.0.tgz",
+      "integrity": "sha512-xFVuu11jh+xcO7JOAGJNOXld8/TcEHK/4CituBUeUb5hqxJLj9YuemAEuvm9gQ/+pgXYfbQuqAkiYu+u7YEsNA=="
     },
     "node_modules/schema-utils": {
       "version": "4.0.0",
@@ -24066,12 +24059,9 @@
       }
     },
     "react": {
-      "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"
-      }
+      "version": "19.0.0",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.0.0.tgz",
+      "integrity": "sha512-V8AVnmPIICiWpGfm6GLzCR/W5FXLchHop40W4nXBmdlEceh16rCN8O8LNWm5bh5XUX91fh7KpA+W0TgMKmgTpQ=="
     },
     "react-ace": {
       "version": "13.0.0",
@@ -24137,12 +24127,11 @@
       }
     },
     "react-dom": {
-      "version": "18.3.1",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.3.1.tgz",
-      "integrity": "sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==",
+      "version": "19.0.0",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.0.0.tgz",
+      "integrity": "sha512-4GV5sHFG0e/0AD4X+ySy6UJd3jVl1iNsNHdpad0qhABJ11twS3TTBnseqsKurKcsNqCEFeGL3uLpVChpIO3QfQ==",
       "requires": {
-        "loose-envify": "^1.1.0",
-        "scheduler": "^0.23.2"
+        "scheduler": "^0.25.0"
       }
     },
     "react-error-overlay": {
@@ -25269,12 +25258,9 @@
       }
     },
     "scheduler": {
-      "version": "0.23.2",
-      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.23.2.tgz",
-      "integrity": "sha512-UOShsPwz7NrMUqhR6t0hWjFduvOzbtv7toDH1/hIrfRNIDBnnBWd0CwJTGvTpngVlmwGCdP9/Zl/tVrDqcuYzQ==",
-      "requires": {
-        "loose-envify": "^1.1.0"
-      }
+      "version": "0.25.0",
+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.25.0.tgz",
+      "integrity": "sha512-xFVuu11jh+xcO7JOAGJNOXld8/TcEHK/4CituBUeUb5hqxJLj9YuemAEuvm9gQ/+pgXYfbQuqAkiYu+u7YEsNA=="
     },
     "schema-utils": {
       "version": "4.0.0",
diff --git a/html/package.json b/html/package.json
index 3283a5b7..9590f90c 100644
--- a/html/package.json
+++ b/html/package.json
@@ -8,9 +8,9 @@
     "@testing-library/react": "^16.1.0",
     "@testing-library/user-event": "^14.5.2",
     "diff": "^7.0.0",
-    "react": "^18.3.1",
+    "react": "^19.0.0",
     "react-ace": "^13.0.0",
-    "react-dom": "^18.3.1",
+    "react-dom": "^19.0.0",
     "react-scripts": "5.0.1",
     "web-vitals": "^4.2.4"
   },