diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3c208ac..ae2b9fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 24
           cache: 'pnpm'
 
       - name: Validate PR title (Conventional Commits)
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 59e7328..3169142 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 24
       - uses: pnpm/action-setup@v4
       - run: pnpm install
       - run: pnpm test
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 356ee03..f9230ee 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -4,7 +4,7 @@ Thank you for contributing! This project uses a PR-based workflow with required
 
 ## Requirements
 
-Node.js >= 20 and pnpm >= 10.
+Node.js >= 24 and pnpm >= 10.
 TypeScript strict mode, Biome for formatting, Vitest for tests.
 
 ## Scripts
diff --git a/README.md b/README.md
index 735bd83..deac8f1 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@
 npm install @sigrea/react @sigrea/core react react-dom
 ```
 
-Requires React 18+ and Node.js 20 or later.
+Requires React 18+ and Node.js 24 or later.
 
 ## Quick Start
 
@@ -224,7 +224,7 @@ createRoot(document.getElementById("root")!).render(<App />);
 
 ## Development
 
-This repo targets Node.js 20 or later.
+This repo targets Node.js 24 or later.
 
 If you use mise:
 
diff --git a/mise.toml b/mise.toml
index 72706a4..9125bd0 100644
--- a/mise.toml
+++ b/mise.toml
@@ -2,8 +2,8 @@
 pnpm = "10.0.0"
 
 [tasks.check_node]
-description = "Ensure Node.js version is >= 20"
-run = "node -e 'const major = Number(process.versions.node.split(\".\")[0]); if (major < 20) { console.error(`Node.js >= 20 is required (current: ${process.versions.node})`); process.exit(1); }'"
+description = "Ensure Node.js version is >= 24"
+run = "node -e 'const major = Number(process.versions.node.split(\".\")[0]); if (major < 24) { console.error(`Node.js >= 24 is required (current: ${process.versions.node})`); process.exit(1); }'"
 
 [tasks.ci]
 description = "Run CI-equivalent checks (install/test/typecheck/build/format)"
diff --git a/package.json b/package.json
index 5b206b3..583657f 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
 		"url": "https://github.com/sigrea/react/issues"
 	},
 	"engines": {
-		"node": ">=20"
+		"node": ">=24"
 	},
 	"sideEffects": false,
 	"exports": {
@@ -45,13 +45,13 @@
 		"cicheck": "pnpm test && pnpm typecheck && pnpm format:fix"
 	},
 	"peerDependencies": {
-		"@sigrea/core": "^0.5.0",
+		"@sigrea/core": "^0.6.0",
 		"react": "^18.0.0 || ^19.0.0",
 		"react-dom": "^18.0.0 || ^19.0.0"
 	},
 	"devDependencies": {
 		"@biomejs/biome": "1.9.4",
-		"@sigrea/core": "^0.5.0",
+		"@sigrea/core": "^0.6.0",
 		"@types/react": "^19.0.0",
 		"@types/react-dom": "^19.0.0",
 		"@vitejs/plugin-react": "^4.3.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b2162a4..5b36617 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ importers:
         specifier: 1.9.4
         version: 1.9.4
       '@sigrea/core':
-        specifier: ^0.5.0
-        version: 0.5.0
+        specifier: ^0.6.0
+        version: 0.6.0
       '@types/react':
         specifier: ^19.0.0
         version: 19.2.2
@@ -726,9 +726,9 @@ packages:
     cpu: [x64]
     os: [win32]
 
-  '@sigrea/core@0.5.0':
-    resolution: {integrity: sha512-wDZSwlmjwFLK8Zofd9jIWEMUNEyTxAhlAiuktoZWnyuw/3m5cClt79tFggk4bCzsLTN/d/fSoU4lvPew2p72iA==}
-    engines: {node: '>=20'}
+  '@sigrea/core@0.6.0':
+    resolution: {integrity: sha512-0zofSNihnmFiJ+4MNh6EvWo96bvpCMeTuNAaAx/X1bmosQZ2zztXRS7iEAqHX604cucEIahNBD54Babw5598ug==}
+    engines: {node: '>=24'}
 
   '@types/babel__core@7.20.5':
     resolution: {integrity: sha512-qoQprZvz5wQFJwMDqeseRXWv3rqMvhgpbXFfVyWhbx9X47POIA6i/+dXefEmZKoAgOaTdaIgNSMqMIU61yRyzA==}
@@ -2571,7 +2571,7 @@ snapshots:
   '@rollup/rollup-win32-x64-msvc@4.52.5':
     optional: true
 
-  '@sigrea/core@0.5.0':
+  '@sigrea/core@0.6.0':
     dependencies:
       alien-signals: 3.1.1