diff --git a/.github/workflows/bump-build.yml b/.github/workflows/bump-build.yml
index 4726e3a2..26408af7 100644
--- a/.github/workflows/bump-build.yml
+++ b/.github/workflows/bump-build.yml
@@ -17,7 +17,7 @@ jobs:
           git config --local user.name "github-actions[bot]"
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.0'
+          ruby-version: '3.1'
           bundler-cache: true
       - uses: maierj/fastlane-action@v3.0.0
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0e59bb65..e5536daf 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,7 +32,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.0'
+          ruby-version: '3.1'
           bundler-cache: true
           cache-version: 1
       - name: Replace signing certificate to AppStore
@@ -57,7 +57,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.0'
+          ruby-version: '3.1'
           bundler-cache: true
           cache-version: 1
       - name: Replace signing certificate to Direct with Developer ID