diff --git a/package.json b/package.json
index c98e0678..47cdcfec 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "lerna": "^8.0.0",
     "lint-staged": "^15.0.0",
     "prettier": "^3.0.0",
-    "react-test-renderer": "^18.2.0",
+    "react-test-renderer": "^19.0.0",
     "tsbb": "^4.1.4"
   },
   "workspaces": [
diff --git a/www/package.json b/www/package.json
index 37081c6c..ff3147e4 100644
--- a/www/package.json
+++ b/www/package.json
@@ -13,8 +13,8 @@
     "@kkt/raw-modules": "^7.4.9",
     "@kkt/scope-plugin-options": "^7.4.9",
     "@types/katex": "^0.16.0",
-    "@types/react": "^18.0.33",
-    "@types/react-dom": "^18.0.11",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
     "kkt": "^7.4.9",
     "markdown-react-code-preview-loader": "^2.1.2",
     "source-map-explorer": "^2.5.3"
@@ -24,8 +24,8 @@
     "@uiw/react-markdown-preview-example": "^2.0.0",
     "@uiw/react-tooltip": "^4.21.11",
     "@uiw/reset.css": "^1.0.6",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0"
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
   },
   "eslintConfig": {
     "extends": [