--- a/Gemfile
+++ b/Gemfile
@@ -233,7 +233,7 @@
 gem 'charlock_holmes', '~> 0.7.3'
 
 # Faster JSON
-gem 'oj', '~> 2.17', '>= 2.17.4'
+gem 'oj', '>= 2.17.4'
 
 # Parse time & duration
 gem 'chronic', '~> 0.10.2'