diff --git a/Gemfile b/Gemfile
index 47bf1af2a..03173c548 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,7 +23,7 @@ gem 'chunky_png'
 gem 'clamav-client', require: 'clamav/client'
 gem 'daemons'
 gem 'deep_cloneable' # Enable deep clone of active record models
-gem 'delayed_cron_job' # Cron jobs
+gem 'delayed_cron_job', require: false # Cron jobs
 gem 'delayed_job_active_record'
 gem 'delayed_job_web'
 gem 'devise', git: 'https://github.com/heartcombo/devise.git', ref: "edffc79bf05d7f1c58ba50ffeda645e2e4ae0cb1" # Gestion des comptes utilisateurs, drop ref on next release: 4.9.4