diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ed9efdf..c2cf088 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,6 +29,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.0'
+          bundler-cache: true
 
       - name: Install Ceedling
         run: gem install ceedling
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b02c12..87cee27 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,6 +39,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.0'
+          bundler-cache: true
 
       - name: Install Ceedling
         run: gem install ceedling