diff --git a/backend/src/main/resources/application.properties b/backend/src/main/resources/application.properties
index f3c220f42..f4e59995c 100644
--- a/backend/src/main/resources/application.properties
+++ b/backend/src/main/resources/application.properties
@@ -10,7 +10,8 @@ spring.jpa.hibernate.ddl-auto=update
 app.jwt.secret=${JWT_SECRET:jwt_sec}
 app.jwt.reason-secret=${JWT_REASON_SECRET:jwt_reason_sec}
 app.jwt.reset-secret=${JWT_RESET_SECRET:jwt_reset_sec}
-app.jwt.expiration=${JWT_EXPIRATION:86400000}
+# 30 days
+app.jwt.expiration=${JWT_EXPIRATION:2592000000}
 # Password strength: LOW, MEDIUM or HIGH
 app.password.strength=${PASSWORD_STRENGTH:LOW}