diff --git a/.github/workflows/new-gem.yml b/.github/workflows/new-gem.yml
index 6c6db9a..66054c6 100644
--- a/.github/workflows/new-gem.yml
+++ b/.github/workflows/new-gem.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Install Ruby 3.4
         uses: ruby/setup-ruby@d45b1a4e94b71acab930e56e79c6aa188764e7f9 # v1.316.0
         with:
-          ruby-version: "3.4"
+          ruby-version: "3.4.10"
       - name: Install tools
         run: "gem install --no-document toys grpc-tools:1.62.0"
       - name: execute
diff --git a/.github/workflows/update-gems.yml b/.github/workflows/update-gems.yml
index b51a4c5..87f0eb1 100644
--- a/.github/workflows/update-gems.yml
+++ b/.github/workflows/update-gems.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Install Ruby 3.4
         uses: ruby/setup-ruby@d45b1a4e94b71acab930e56e79c6aa188764e7f9 # v1.316.0
         with:
-          ruby-version: "3.4"
+          ruby-version: "3.4.10"
       - name: Install tools
         run: "gem install --no-document toys grpc-tools:1.62.0"
       - name: execute