diff --git a/Gemfile b/Gemfile
index 0b9fa75cd..f79737bcd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,7 +43,7 @@ gem 'draper'
 gem 'unicode_utils'
 
 # Gestion des comptes utilisateurs
-gem 'devise'
+gem 'devise', git: 'https://github.com/jcoyne/devise.git', ref: '6e7b20b248b4d9eb8ed04674a9c1ce0a74f06cf2'
 gem 'openid_connect'
 gem 'omniauth-github'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index bb6198a33..a3fc0c225 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,6 +6,18 @@ GIT
     warden (1.2.8)
       rack (>= 1.0)
 
+GIT
+  remote: https://github.com/jcoyne/devise.git
+  revision: 6e7b20b248b4d9eb8ed04674a9c1ce0a74f06cf2
+  ref: 6e7b20b248b4d9eb8ed04674a9c1ce0a74f06cf2
+  specs:
+    devise (4.4.1)
+      bcrypt (~> 3.0)
+      orm_adapter (~> 0.1)
+      railties (>= 4.1.0, < 5.2)
+      responders
+      warden (~> 1.2.3)
+
 GIT
   remote: https://github.com/mina-deploy/mina.git
   revision: 343a7ab672d8b4f0ddb84ec240cde7d94b46397a
@@ -167,12 +179,6 @@ GEM
       activerecord (> 3.0.0)
       delayed_job (> 2.0.3)
       sinatra (>= 1.4.4)
-    devise (4.4.1)
-      bcrypt (~> 3.0)
-      orm_adapter (~> 0.1)
-      railties (>= 4.1.0, < 5.2)
-      responders
-      warden (~> 1.2.3)
     diff-lcs (1.3)
     domain_name (0.5.20170404)
       unf (>= 0.0.5, < 1.0.0)
@@ -778,7 +784,7 @@ DEPENDENCIES
   delayed_cron_job
   delayed_job_active_record
   delayed_job_web
-  devise
+  devise!
   dotenv-rails
   draper
   factory_bot