diff --git a/package.json b/package.json
index f538a27..79b78ae 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "main": "build/index",
   "license": "MIT",
   "engines": {
-    "node": ">=10"
+    "node": "12.14.0"
   },
   "scripts": {
     "build": "tsc",