diff --git a/ci/ci_build.rb b/ci/ci_build.rb
index 101edce77b..ab627b93e6 100755
--- a/ci/ci_build.rb
+++ b/ci/ci_build.rb
@@ -65,7 +65,7 @@ cd "#{root_dir}/actionpack" do
   puts
   puts "[CruiseControl] Building ActionPack"
   puts
-  build_results[:actionpack] = system 'rake'
+  build_results[:actionpack] = system 'gem bundle && rake'
 end
 
 cd "#{root_dir}/actionmailer" do