diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d955dc1..a3d3bcd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -53,14 +53,14 @@ jobs:
     needs: test
     strategy:
       matrix:
-        os: ['ubuntu-18.04', 'macOS-10.14', 'windows-2019']
+        os: ['ubuntu-18.04', 'macOS-latest', 'windows-latest']
         hugo-version: ['latest', '0.57.2']
         extended: [true, false]
         # exclude:
-        #   - os: 'macOS-10.14'
+        #   - os: 'macOS-latest'
         #     hugo-version: 'latest'
         #     extended: false
-        #   - os: 'windows-2019'
+        #   - os: 'windows-latest'
         #     hugo-version: 'latest'
         #     extended: false
 
diff --git a/README.md b/README.md
index 170be37..4d4d3c6 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ We can run Hugo on a virtual machine of GitHub Actions by this Hugo action. Hugo
 
 From `v2.0.0`, this Hugo action migrated to a JavaScript (TypeScript)  action. We no longer build or pull a Hugo docker image. Thanks to this change, we can complete this action less than **4 sec**. (A docker base action was taking about 1 min or more execution time to build or pull.)
 
-| OS (runs-on) | ubuntu-18.04 | macOS-10.14 | windows-2019 |
+| OS (runs-on) | ubuntu-18.04 | macos-latest | windows-2019 |
 |---|:---:|:---:|:---:|
 | Support | ✅️ | ✅️ | ✅️ |