diff --git a/package-lock.json b/package-lock.json
index ba008a1..111fbf2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "lucide-react": "^0.460.0",
         "mermaid": "^11.15.0",
         "papaparse": "^5.5.3",
-        "react": "^18.3.1",
+        "react": "^19.2.6",
         "react-dom": "^18.3.1",
         "react-markdown": "^10.1.0",
         "react-router-dom": "^7.13.0",
@@ -24,7 +24,7 @@
         "terser": "^5.46.0"
       },
       "devDependencies": {
-        "@types/react": "^18.3.12",
+        "@types/react": "^19.2.15",
         "@types/react-dom": "^18.3.1",
         "@vitejs/plugin-react": "^4.3.4",
         "autoprefixer": "^10.4.20",
@@ -1657,19 +1657,12 @@
       "integrity": "sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA==",
       "license": "MIT"
     },
-    "node_modules/@types/prop-types": {
-      "version": "15.7.15",
-      "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.15.tgz",
-      "integrity": "sha512-F6bEyamV9jKGAFBEmlQnesRPGOQqS2+Uwi0Em15xenOxHaf2hv6L8YCVn3rPdPJOiJfPiCnLIRyvwVaqMY3MIw==",
-      "license": "MIT"
-    },
     "node_modules/@types/react": {
-      "version": "18.3.27",
-      "resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.27.tgz",
-      "integrity": "sha512-cisd7gxkzjBKU2GgdYrTdtQx1SORymWyaAFhaxQPK9bYO9ot3Y5OikQRvY0VYQtvwjeQnizCINJAenh/V7MK2w==",
+      "version": "19.2.15",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.15.tgz",
+      "integrity": "sha512-eRwcGNHve+E8qtEQSSRl6urh+rFop4v8gm6O8rGv25CodbvFdLjA1vVQ1KkiFE0w0UPOnb8tDiFKL5lp0rtY5Q==",
       "license": "MIT",
       "dependencies": {
-        "@types/prop-types": "*",
         "csstype": "^3.2.2"
       }
     },
@@ -4934,13 +4927,10 @@
       "license": "MIT"
     },
     "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==",
+      "version": "19.2.6",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.2.6.tgz",
+      "integrity": "sha512-sfWGGfavi0xr8Pg0sVsyHMAOziVYKgPLNrS7ig+ivMNb3wbCBw3KxtflsGBAwD3gYQlE/AEZsTLgToRrSCjb0Q==",
       "license": "MIT",
-      "dependencies": {
-        "loose-envify": "^1.1.0"
-      },
       "engines": {
         "node": ">=0.10.0"
       }
diff --git a/package.json b/package.json
index 1eceb82..f7a923d 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "lucide-react": "^0.460.0",
     "mermaid": "^11.15.0",
     "papaparse": "^5.5.3",
-    "react": "^18.3.1",
+    "react": "^19.2.6",
     "react-dom": "^18.3.1",
     "react-markdown": "^10.1.0",
     "react-router-dom": "^7.13.0",
@@ -25,7 +25,7 @@
     "terser": "^5.46.0"
   },
   "devDependencies": {
-    "@types/react": "^18.3.12",
+    "@types/react": "^19.2.15",
     "@types/react-dom": "^18.3.1",
     "@vitejs/plugin-react": "^4.3.4",
     "autoprefixer": "^10.4.20",