diff --git a/websocket-gateway/Gemfile b/websocket-gateway/Gemfile
index 0a333a355..5cc2650f4 100644
--- a/websocket-gateway/Gemfile
+++ b/websocket-gateway/Gemfile
@@ -38,7 +38,7 @@ gem 'will_paginate'
 gem 'sendgrid'
 gem 'rb-readline'
 gem 'aasm' #, '3.0.16'
-gem 'carrierwave'
+gem 'carrierwave', '0.11.2'
 gem 'fog'
 gem 'devise', '3.3.0' # 3.4.0 causes uninitialized constant ActionController::Metal (NameError)
 gem 'postgres-copy'