diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c5bea0e..fc51a46 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.x, 20.x, 22.x]
+        node-version: [20.x, 22.x]
     steps:
       - uses: actions/checkout@v4
 
diff --git a/package.json b/package.json
index 376ff20..a9cb178 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "LICENSE"
   ],
   "engines": {
-    "node": ">=18"
+    "node": ">=20"
   },
   "scripts": {
     "build": "tsc -p tsconfig.json",