diff --git a/script/database_manager.py b/script/database_manager.py
index c980d65..9cba22c 100644
--- a/script/database_manager.py
+++ b/script/database_manager.py
@@ -15,10 +15,12 @@ CREATE TABLE Release (
   ReleaseId SERIAL PRIMARY KEY,
   ReleaseName VARCHAR(255) NOT NULL,
   ReleaseSourceId INTEGER NOT NULL,
+  ReleaseDistribution VARCHAR(20) CONSTRAINT releasedistribution_choice CHECK (ReleaseDistribution IN ('dev', 'stable', 'maintained', 'deprecation-warning', 'deprecated')),
   UNIQUE (ReleaseName, ReleaseSourceId),
   FOREIGN KEY (ReleaseSourceId) REFERENCES Source(SourceId)
 );
 
+
 -- Création de la table Servermodel
 CREATE TABLE Servermodel (
   ServermodelId SERIAL PRIMARY KEY,