diff --git a/.github/workflows/npm.yml b/.github/workflows/npm.yml
index 555e977..2e76f56 100644
--- a/.github/workflows/npm.yml
+++ b/.github/workflows/npm.yml
@@ -21,7 +21,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version:  16.x
+        node-version:  [16.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps: