diff --git a/.nvmrc b/.nvmrc
index ba9aff7..f8c17e7 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-11.9.0
+12.4.0
diff --git a/package.json b/package.json
index 918762f..4864263 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,9 @@
   "bugs": {
     "url": "https://github.com/QuickBase/babel-plugin-styled-components-css-namespace/issues"
   },
+  "engines": {
+    "node": "<=12.4.0"
+  },
   "main": "lib/index.js",
   "files": [
     "lib"
@@ -174,4 +177,4 @@
     "rimraf": "2.6.x",
     "styled-components": "4.2.x"
   }
-}
+}
\ No newline at end of file