diff --git a/.github/workflows/build-mac-notarized-macos15-xcode16.4.yml b/.github/workflows/build-mac-notarized-macos15-xcode16.4.yml
index 4a27da1c..b08b55f0 100644
--- a/.github/workflows/build-mac-notarized-macos15-xcode16.4.yml
+++ b/.github/workflows/build-mac-notarized-macos15-xcode16.4.yml
@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.1'
+          ruby-version: '3.3'
           bundler-cache: true
           cache-version: 1
       - name: Replace signing certificate to Direct with Developer ID
diff --git a/.github/workflows/bump-build.yml b/.github/workflows/bump-build.yml
index b88733e9..1e100e8d 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: '3.1'
+          ruby-version: '3.3'
           bundler-cache: true
           cache-version: 1
       - uses: maierj/fastlane-action@v3.0.0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 78b57c57..1a4cde09 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: '3.1'
+          ruby-version: '3.3'
           bundler-cache: true
           cache-version: 1
       - name: Replace signing certificate to AppStore
@@ -59,7 +59,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.1'
+          ruby-version: '3.3'
           bundler-cache: true
           cache-version: 1
       - name: Replace signing certificate to Direct with Developer ID