diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 5f9ccce..149637a 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        node_version: [9, 10, 11, 12, 13]
+        node_version: [12, 13]
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
@@ -21,6 +21,8 @@ jobs:
 
     - name: npm install & test
       run: |
+        npm -v
+        node -v
         npm install
         npm test
       env: