diff --git a/.github/workflows/nodejs-ci-action.yml b/.github/workflows/nodejs-ci-action.yml
index 44bf28d..52d7600 100644
--- a/.github/workflows/nodejs-ci-action.yml
+++ b/.github/workflows/nodejs-ci-action.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x, 21.x, 24.x]
+        node-version: [20.x, 22.x, 24.x]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/package-lock.json b/package-lock.json
index 70a24a6..5d16d1f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,7 +27,7 @@
         "tape": "^5.9.0"
       },
       "engines": {
-        "node": "^24 || ^22 || ^21 || ^20 || ^18"
+        "node": "^24 || ^22 || ^20"
       }
     },
     "node_modules/@ampproject/remapping": {
diff --git a/package.json b/package.json
index ce854e5..20eae30 100644
--- a/package.json
+++ b/package.json
@@ -50,6 +50,6 @@
     "prom-client": "^15.1.3"
   },
   "engines": {
-    "node": "^24 || ^22 || ^21 || ^20 || ^18"
+    "node": "^24 || ^22 || ^20"
   }
 }