diff --git a/demo/package.json b/demo/package.json
index c036543..0bd87e0 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -22,8 +22,8 @@
   "dependencies": {
     "isometric-css": "latest",
     "outdent": "^0.8.0",
-    "react": "^19.2.8",
-    "react-dom": "^19.2.8",
+    "react": "^19.3.0",
+    "react-dom": "^19.3.0",
     "react-router-dom": "^7.18.3",
     "react-syntax-highlighter": "^16.1.1"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9556101..771857f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -74,24 +74,24 @@ importers:
         specifier: ^0.8.0
         version: 0.8.0
       react:
-        specifier: ^19.2.8
-        version: 19.2.8
+        specifier: ^19.3.0
+        version: 19.3.0
       react-dom:
-        specifier: ^19.2.8
-        version: 19.2.8(react@19.2.8)
+        specifier: ^19.3.0
+        version: 19.3.0(react@19.3.0)
       react-router-dom:
         specifier: ^7.18.3
-        version: 7.18.3(react-dom@19.2.8(react@19.2.8))(react@19.2.8)
+        version: 7.18.3(react-dom@19.3.0(react@19.3.0))(react@19.3.0)
       react-syntax-highlighter:
         specifier: ^16.1.1
-        version: 16.1.1(react@19.2.8)
+        version: 16.1.1(react@19.3.0)
     devDependencies:
       '@testing-library/jest-dom':
         specifier: ^7.0.1
         version: 7.0.1(@testing-library/dom@10.4.1)
       '@testing-library/react':
         specifier: ^16.3.3
-        version: 16.3.3(@testing-library/dom@10.4.1)(react-dom@19.2.8(react@19.2.8))(react@19.2.8)
+        version: 16.3.3(@testing-library/dom@10.4.1)(react-dom@19.3.0(react@19.3.0))(react@19.3.0)
       '@testing-library/user-event':
         specifier: ^14.6.7
         version: 14.6.7(@testing-library/dom@10.4.1)
@@ -2554,10 +2554,10 @@ packages:
     resolution: {integrity: sha512-+Owyggi9IxT1ePKGafcI87ubSmxol6smwJ+RAHDQlx9+9cPwFWDiKFFCPuWhr9ignlGpZ9vDQLw67N4dcTVFEA==}
     engines: {node: '>=20'}
 
-  react-dom@19.2.8:
-    resolution: {integrity: sha512-rVprimfGBG3DR+Tq0IQG2DT5PxKth1WIGDmj5yPmlzr4YBe7uyE+Du4oVqTDXZSHGGGXRtTJEGSSePyQCMBglQ==}
+  react-dom@19.3.0:
+    resolution: {integrity: sha512-JDk8dgif51OjFoDE70+OT9ICyYr+69HlmihNwp1+Nsfbna3t5sIiCa9ZJktDmQ4/1b/rn26hIAR2uYXDMr5r0Q==}
     peerDependencies:
-      react: ^19.2.8
+      react: ^19.3.0
 
   react-is@17.0.2:
     resolution: {integrity: sha512-w2GsyukL62IJnlaff/nRegPQR94C/XXamvMWmSHRJ4y7Ts/4ocGRmTHvOs8PSE6pB3dWOrD/nueuU5sduBsQ4w==}
@@ -2591,8 +2591,8 @@ packages:
     peerDependencies:
       react: '>= 0.14.0'
 
-  react@19.2.8:
-    resolution: {integrity: sha512-PWaYA1L/q9u2u7xYQi+Y3L3Yfnie7XyLeaJICV1MGD6LprsBxcAqGjYyr0eY3p+QdsA+x/Irkt4Qif8D63+Sbw==}
+  react@19.3.0:
+    resolution: {integrity: sha512-E8LUcbtBWt20bbl2YoHfx4ZDBdxVTfOKtCZn9cDSJ4l6/nuoApcpIBcj47t2wZoVX8g2ZHuMHbiShgCR1T5Sog==}
     engines: {node: '>=0.10.0'}
 
   read-cache@1.0.0:
@@ -2667,8 +2667,8 @@ packages:
     resolution: {integrity: sha512-xAg7SOnEhrm5zI3puOOKyy1OMcMlIJZYNJY7xLBwSze0UjhPLnWfj2GF2EpT0jmzaJKIWKHLsaSSajf35bcYnA==}
     engines: {node: '>=v12.22.7'}
 
-  scheduler@0.27.0:
-    resolution: {integrity: sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q==}
+  scheduler@0.28.0:
+    resolution: {integrity: sha512-juorfCmIkIw8tT+p5BXSm6PJjQF/ycEYmKyzURCIt/RaZIhL+PulbQ9Yu2z1HdOJDdqDTlxA1+xKBmHXJsczAw==}
 
   semver@6.3.1:
     resolution: {integrity: sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==}
@@ -3966,12 +3966,12 @@ snapshots:
       picocolors: 1.1.1
       redent: 3.0.0
 
-  '@testing-library/react@16.3.3(@testing-library/dom@10.4.1)(react-dom@19.2.8(react@19.2.8))(react@19.2.8)':
+  '@testing-library/react@16.3.3(@testing-library/dom@10.4.1)(react-dom@19.3.0(react@19.3.0))(react@19.3.0)':
     dependencies:
       '@babel/runtime': 7.29.7
       '@testing-library/dom': 10.4.1
-      react: 19.2.8
-      react-dom: 19.2.8(react@19.2.8)
+      react: 19.3.0
+      react-dom: 19.3.0(react@19.3.0)
 
   '@testing-library/user-event@14.6.7(@testing-library/dom@10.4.1)':
     dependencies:
@@ -5594,10 +5594,10 @@ snapshots:
     dependencies:
       hookified: 2.2.0
 
-  react-dom@19.2.8(react@19.2.8):
+  react-dom@19.3.0(react@19.3.0):
     dependencies:
-      react: 19.2.8
-      scheduler: 0.27.0
+      react: 19.3.0
+      scheduler: 0.28.0
 
   react-is@17.0.2: {}
 
@@ -5605,31 +5605,31 @@ snapshots:
 
   react-is@19.2.8: {}
 
-  react-router-dom@7.18.3(react-dom@19.2.8(react@19.2.8))(react@19.2.8):
+  react-router-dom@7.18.3(react-dom@19.3.0(react@19.3.0))(react@19.3.0):
     dependencies:
-      react: 19.2.8
-      react-dom: 19.2.8(react@19.2.8)
-      react-router: 7.18.3(react-dom@19.2.8(react@19.2.8))(react@19.2.8)
+      react: 19.3.0
+      react-dom: 19.3.0(react@19.3.0)
+      react-router: 7.18.3(react-dom@19.3.0(react@19.3.0))(react@19.3.0)
 
-  react-router@7.18.3(react-dom@19.2.8(react@19.2.8))(react@19.2.8):
+  react-router@7.18.3(react-dom@19.3.0(react@19.3.0))(react@19.3.0):
     dependencies:
       cookie: 1.1.1
-      react: 19.2.8
+      react: 19.3.0
       set-cookie-parser: 2.7.2
     optionalDependencies:
-      react-dom: 19.2.8(react@19.2.8)
+      react-dom: 19.3.0(react@19.3.0)
 
-  react-syntax-highlighter@16.1.1(react@19.2.8):
+  react-syntax-highlighter@16.1.1(react@19.3.0):
     dependencies:
       '@babel/runtime': 7.29.2
       highlight.js: 10.7.3
       highlightjs-vue: 1.0.0
       lowlight: 1.20.0
       prismjs: 1.30.0
-      react: 19.2.8
+      react: 19.3.0
       refractor: 5.0.0
 
-  react@19.2.8: {}
+  react@19.3.0: {}
 
   read-cache@1.0.0:
     dependencies:
@@ -5748,7 +5748,7 @@ snapshots:
     dependencies:
       xmlchars: 2.2.0
 
-  scheduler@0.27.0: {}
+  scheduler@0.28.0: {}
 
   semver@6.3.1: {}