diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0cf8a50..58db7de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18, 20, 22]
+        node-version: [20, 22]
     steps:
       - uses: actions/checkout@v4
 
diff --git a/package.json b/package.json
index f8ae496..1565e92 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "LICENSE"
   ],
   "engines": {
-    "node": ">=18"
+    "node": ">=20"
   },
   "scripts": {
     "build": "tsc -p tsconfig.build.json",