diff --git a/.github/workflows/mri.yml b/.github/workflows/mri.yml
index 4e9a74fd..68505b98 100644
--- a/.github/workflows/mri.yml
+++ b/.github/workflows/mri.yml
@@ -41,11 +41,12 @@ jobs:
           mingw: _upgrade_ openssl ragel
 
       - name:  bundle install
+        timeout-minutes: 5
         shell: pwsh
         run:   |
           # update RubyGems in Ruby 2.2, bundle install
           if ('${{ matrix.ruby }}' -lt '2.3') {
-            gem update --system 2.7.10 --no-document
+            gem update --system 2.7.11 --no-document
           }
           bundle install --jobs 4 --retry 3
 
diff --git a/.github/workflows/non_mri.yml b/.github/workflows/non_mri.yml
index 901963cd..8c03ae8e 100644
--- a/.github/workflows/non_mri.yml
+++ b/.github/workflows/non_mri.yml
@@ -41,6 +41,7 @@ jobs:
           echo JAVA_HOME=$JAVA_HOME_11_X64 >> $GITHUB_ENV
 
       - name: bundle install
+        timeout-minutes: 5
         run:  bundle install --jobs 4 --retry 3
 
       - name: set SSL