diff --git a/Gemfile b/Gemfile
index 5e53fd5f8..33cc8f5c0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'aasm'
+gem 'acsv'
 gem 'active_link_to' # Automatically set a class on active links
 gem 'active_model_serializers'
 gem 'activestorage-openstack'
diff --git a/Gemfile.lock b/Gemfile.lock
index b74b2f130..a76117296 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,6 +20,7 @@ GEM
   specs:
     aasm (5.1.1)
       concurrent-ruby (~> 1.0)
+    acsv (0.0.1)
     actioncable (6.1.4.1)
       actionpack (= 6.1.4.1)
       activesupport (= 6.1.4.1)
@@ -779,6 +780,7 @@ PLATFORMS
 
 DEPENDENCIES
   aasm
+  acsv
   active_link_to
   active_model_serializers
   active_storage_validations
diff --git a/app/controllers/new_administrateur/groupe_instructeurs_controller.rb b/app/controllers/new_administrateur/groupe_instructeurs_controller.rb
index 18ca4b449..d3e6d3f9f 100644
--- a/app/controllers/new_administrateur/groupe_instructeurs_controller.rb
+++ b/app/controllers/new_administrateur/groupe_instructeurs_controller.rb
@@ -215,7 +215,7 @@ module NewAdministrateur
       else
         file = group_csv_file.read
         base_encoding = CharlockHolmes::EncodingDetector.detect(file)
-        groupes_emails = CSV.new(file.encode("UTF-8", base_encoding[:encoding], invalid: :replace, replace: ""), headers: true, header_converters: :downcase)
+        groupes_emails = ACSV::CSV.new(file.encode("UTF-8", base_encoding[:encoding], invalid: :replace, replace: ""), headers: true, header_converters: :downcase)
           .map { |r| r.to_h.slice('groupe', 'email') }
 
         groupes_emails_has_keys = groupes_emails.first.has_key?("groupe") && groupes_emails.first.has_key?("email")