diff --git a/.github/workflows/npmpub.yml b/.github/workflows/npmpub.yml
index 13af0f9..99a16a0 100644
--- a/.github/workflows/npmpub.yml
+++ b/.github/workflows/npmpub.yml
@@ -7,6 +7,10 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        node-version: [20.x]
 
     steps:
       - uses: actions/checkout@v2