diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 3287fdc..1856667 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -37,6 +37,7 @@ jobs:
         uses: actions/checkout@v4.1.7
         with:
           repository: threeal/cpp-starter
+          ref: v1.0.0
 
       - name: Checkout Action
         uses: actions/checkout@v4.1.7
@@ -62,6 +63,7 @@ jobs:
         uses: actions/checkout@v4.1.7
         with:
           repository: threeal/cpp-starter
+          ref: v1.0.0
           path: project
 
       - name: Checkout Action
@@ -91,6 +93,7 @@ jobs:
         uses: actions/checkout@v4.1.7
         with:
           repository: threeal/cpp-starter
+          ref: v1.0.0
 
       - name: Checkout Action
         uses: actions/checkout@v4.1.7
@@ -117,6 +120,7 @@ jobs:
         uses: actions/checkout@v4.1.7
         with:
           repository: threeal/cpp-starter
+          ref: v1.0.0
 
       - name: Checkout Action
         uses: actions/checkout@v4.1.7
@@ -143,6 +147,7 @@ jobs:
         uses: actions/checkout@v4.1.7
         with:
           repository: threeal/cpp-starter
+          ref: v1.0.0
 
       - name: Checkout Action
         uses: actions/checkout@v4.1.7