diff --git a/config/initializers/faraday.rb b/config/initializers/faraday.rb
index 72276535..77c99057 100644
--- a/config/initializers/faraday.rb
+++ b/config/initializers/faraday.rb
@@ -1,5 +1,5 @@
 stack = Faraday::RackBuilder.new do |builder|
-  builder.use Faraday::HttpCache
+  builder.use Faraday::HttpCache, serializer: Marshal
   builder.use Octokit::Response::RaiseError
   builder.adapter Faraday.default_adapter
 end