Gemfile in trifle-stats-1.3.0 vs Gemfile in trifle-stats-1.3.1

@@ -3,5 +3,9 @@
 # Specify your gem's dependencies in trifle-stats.gemspec
 gemspec
 
 gem "rake", "~> 12.0"
 gem "rspec", "~> 3.0"
+gem "mongo", require: false
+gem "pg", require: false
+gem "redis", require: false
+gem "sqlite", require: false
\ No newline at end of file