diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e14785b..ef21dc6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,6 +18,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: .ruby-version
+          bundler-cache: true
 
       - name: Bootstrap
         run: bin/bootstrap
@@ -36,6 +37,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: .ruby-version
+          bundler-cache: true
 
       - name: Bootstrap
         run: bin/bootstrap
@@ -54,6 +56,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: .ruby-version
+          bundler-cache: true
 
       - name: Bootstrap
         run: bin/bootstrap