diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6fd3eb2..448e2ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x, 16.x]
+        node-version: [12.x, 14.x, 16.x]
     steps:
       - name: Find yarn cache
         id: find-yarn-cache
diff --git a/package.json b/package.json
index 4b842f3..035306a 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,9 @@
     "test": "ava"
   },
   "sideEffects": false,
+  "engines": {
+    "node": "^12 || ^14 || >=16"
+  },
   "dependencies": {
     "dictionary-types": "^1.2.0",
     "tslib": "2.3.0"