diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5d431d5..8504d60 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
       - name: Check out samlpe project 
         uses: actions/checkout@v4
         with:
-          repository: google/iosched
+          repository: yumemi-inc/Tart
           path: sample
       - name: Build samlpe project for check
         run: cd sample && ./gradlew assembleDebug
diff --git a/README.md b/README.md
index c7b1755..a99c672 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Place this action step before Gradle tasks.
 
 ```yaml
 - uses: actions/checkout@v4
-- uses: yumemi-inc/setup-java-gradle@v1
+- uses: yumemi-inc/setup-java-gradle@v2
 - run: ./gradlew ...
 ```
 
@@ -54,7 +54,7 @@ jobs:
       - uses: actions/checkout@v4
         # with: 
         #   ref: .. # specify if there is a branch other than the default branch where the code is frequently updated
-      - uses: yumemi-inc/setup-java-gradle@v1
+      - uses: yumemi-inc/setup-java-gradle@v2
         with:
           cache-read-only: false
           gradle-home-cache-cleanup: true
diff --git a/action.yml b/action.yml
index 0ab89fb..7944e30 100644
--- a/action.yml
+++ b/action.yml
@@ -42,7 +42,7 @@ runs:
         distribution: ${{ inputs.java-distribution }}
         java-version: ${{ inputs.java-version }}
     - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@v3
+      uses: gradle/actions/setup-gradle@v4
       with:
         cache-disabled: ${{ inputs.cache-disabled }}
         cache-read-only: ${{ inputs.cache-read-only }}