diff --git a/Gemfile b/Gemfile
index 6c50d0d32..b75222113 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,6 +6,7 @@ gem 'active_model_serializers'
 gem 'activestorage-openstack'
 gem 'active_storage_validations'
 gem 'administrate', git: 'https://github.com/thoughtbot/administrate.git', ref: 'refs/pull/1972/head' # Provides an administration UI (pull request #1972 has fixes for Rails 6.1.3.2)
+gem 'administrate-field-enum' # Allow using Field::Enum in administrate
 gem 'after_party'
 gem 'anchored'
 gem 'bcrypt'
diff --git a/Gemfile.lock b/Gemfile.lock
index adf2a9b6e..1643c8608 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -102,6 +102,8 @@ GEM
       zeitwerk (~> 2.3)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
+    administrate-field-enum (0.0.9)
+      administrate (~> 0.12)
     aes_key_wrap (1.1.0)
     after_party (1.11.2)
     anchored (1.1.0)
@@ -776,6 +778,7 @@ DEPENDENCIES
   active_storage_validations
   activestorage-openstack
   administrate!
+  administrate-field-enum
   after_party
   anchored
   annotate
diff --git a/app/dashboards/dossier_dashboard.rb b/app/dashboards/dossier_dashboard.rb
index 698106704..6c102b209 100644
--- a/app/dashboards/dossier_dashboard.rb
+++ b/app/dashboards/dossier_dashboard.rb
@@ -10,7 +10,7 @@ class DossierDashboard < Administrate::BaseDashboard
   ATTRIBUTE_TYPES = {
     id: Field::Number.with_options(searchable: true),
     procedure: Field::HasOne,
-    state: Field::String,
+    state: Field::Enum,
     user: Field::BelongsTo,
     text_summary: Field::String.with_options(searchable: false),
     created_at: Field::DateTime,