diff --git a/package-lock.json b/package-lock.json
index f035805..e99bed9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
         "@testing-library/jest-dom": "^6.4.0",
         "@testing-library/react": "^16.0.0",
         "@types/mdast": "^4.0.0",
-        "@types/node": "^20.0.0",
+        "@types/node": "^26.0.1",
         "@types/react": "^18.3.0",
         "@vitest/eslint-plugin": "^1.6.20",
         "eslint": "^9.39.4",
@@ -54,6 +54,9 @@
         "typescript-eslint": "^8.62.0",
         "vitest": "^1.6.0"
       },
+      "engines": {
+        "node": ">=20"
+      },
       "peerDependencies": {
         "react": ">=18",
         "react-dom": ">=18"
@@ -1900,13 +1903,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "20.19.43",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.43.tgz",
-      "integrity": "sha512-6oYBAi5ikg4Pl+kGsoYtawUMBT2zZMCvPNF7pVLnHZfd1zf38DRiWn/gT01RYCdUqkv7Fhr+C9ot4/tb+2sVvA==",
+      "version": "26.0.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.1.tgz",
+      "integrity": "sha512-fc3KiUoBt6kie0N9bIW3E47vZsuaMf0PM2AaUpLCLT0s/LvX1nxAim6Fc049cNxODPpGm6qRAuUOB86SkRuPQw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/prismjs": {
@@ -9993,9 +9996,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 12eeaef..d2a4e56 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "@testing-library/jest-dom": "^6.4.0",
     "@testing-library/react": "^16.0.0",
     "@types/mdast": "^4.0.0",
-    "@types/node": "^20.0.0",
+    "@types/node": "^26.0.1",
     "@types/react": "^18.3.0",
     "@vitest/eslint-plugin": "^1.6.20",
     "eslint": "^9.39.4",