diff --git a/.github/workflows/test_linux_gmt8.yml b/.github/workflows/test_linux_gmt8.yml
index 2a3c474..3280a71 100644
--- a/.github/workflows/test_linux_gmt8.yml
+++ b/.github/workflows/test_linux_gmt8.yml
@@ -1,3 +1,5 @@
+name: Test Linux
+
 on:
   push:
     branches:
@@ -19,7 +21,7 @@ jobs:
     name: Test GMT +8 on Ubuntu
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Set Timezone to +8 (With input)
         uses: ./
         with:
diff --git a/.github/workflows/test_macos_gmt8.yml b/.github/workflows/test_macos_gmt8.yml
index cc49660..99b1ab5 100644
--- a/.github/workflows/test_macos_gmt8.yml
+++ b/.github/workflows/test_macos_gmt8.yml
@@ -1,3 +1,5 @@
+name: Test macOS
+
 on:
   push:
     branches:
@@ -16,7 +18,7 @@ jobs:
     name: Test GMT +8 on MacOS
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Set Timezone to +8 (With input)
         uses: ./
         with:
diff --git a/.github/workflows/test_run_action.yml b/.github/workflows/test_run_action.yml
index 7f2258f..706e4d8 100644
--- a/.github/workflows/test_run_action.yml
+++ b/.github/workflows/test_run_action.yml
@@ -1,3 +1,5 @@
+name: Test all Platforms
+
 on:
   push:
     branches:
@@ -19,7 +21,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Set Timezone to +0 (No input)
         uses: ./
       - name: Set Timezone to +0 (With input)
diff --git a/.github/workflows/test_windows_gmt8.yml b/.github/workflows/test_windows_gmt8.yml
index b6e18c9..084a901 100644
--- a/.github/workflows/test_windows_gmt8.yml
+++ b/.github/workflows/test_windows_gmt8.yml
@@ -1,3 +1,5 @@
+name: Test Windows
+
 on:
   push:
     branches:
@@ -16,7 +18,7 @@ jobs:
     name: Test GMT +8 on Windows
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Set Timezone to +8 (With input)
         uses: ./
         with: