diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
index 4680650..c232074 100644
--- a/.github/workflows/test-action.yml
+++ b/.github/workflows/test-action.yml
@@ -1,7 +1,6 @@
 name: Daily Test
 
 on:
-  # push:
   schedule:
     - cron: '13 13 * * *'
 
@@ -12,6 +11,7 @@ jobs:
       matrix:
         os:
           - 'ubuntu-18.04'
+          - 'ubuntu-16.04'
           - 'macos-latest'
           - 'windows-latest'
         hugo-version: