diff --git a/.travis.yml b/.travis.yml
index 88a8dbe..bf6c0b4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,6 @@
 language: node_js
 node_js:
-  - 6
+  - 20
+  - 22
+  - 24
+  - 26
diff --git a/package.json b/package.json
index 0aaeb6f..f421a5a 100644
--- a/package.json
+++ b/package.json
@@ -26,5 +26,8 @@
   "license": "MIT",
   "devDependencies": {
     "microbundle": "^0.11.0"
+  },
+  "engines": {
+    "node": ">=20"
   }
 }