diff --git a/Gemfile b/Gemfile
index dfc4aef..5030ce9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,3 +5,8 @@ gemspec name: "database_cleaner-core"
 gem "byebug"
 gem "database_cleaner-active_record", git: "https://github.com/DatabaseCleaner/database_cleaner-active_record"
 gem "database_cleaner-redis", git: "https://github.com/DatabaseCleaner/database_cleaner-redis"
+
+group :test do
+  gem "simplecov", require: false
+  gem "codecov", require: false
+end