diff --git a/docs/db_struct.sql b/docs/db_struct.sql
index c61734d..1c36014 100644
--- a/docs/db_struct.sql
+++ b/docs/db_struct.sql
@@ -41,23 +41,29 @@ CREATE TABLE `commentaires` (
 
 DROP TABLE IF EXISTS `comunic_clients`;
 CREATE TABLE `comunic_clients` (
-  `id` INT NOT NULL AUTO_INCREMENT,
-  `name` VARCHAR(45) NOT NULL,
-  `domain` VARCHAR(45) NULL COMMENT 'Use to check Referer & define Access-Control-Allow-Origin',
-  `comment` VARCHAR(45) NULL COMMENT 'Information about the client',
-  `default_expiration_time` INT DEFAULT 2592000 COMMENT '2592000 = 1 month',
-  PRIMARY KEY (`ID`));
+  `id` int NOT NULL AUTO_INCREMENT,
+  `name` varchar(45) NOT NULL,
+  `domain` varchar(45) DEFAULT NULL COMMENT 'Use to check Referer & define Access-Control-Allow-Origin',
+  `comment` varchar(45) DEFAULT NULL COMMENT 'Information about the client',
+  `default_expiration_time` int DEFAULT '2592000' COMMENT '2592000 = 1 month',
+  `firebase_token` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
 
 
 DROP TABLE IF EXISTS `comunic_user_access_tokens`;
 CREATE TABLE `comunic_user_access_tokens` (
-  `id` INT NOT NULL AUTO_INCREMENT,
-  `client_id` INT NOT NULL,
-  `user_id` INT NOT NULL,
-  `token` VARCHAR(255) NOT NULL,
-  `last_refresh` INT NOT NULL,
-  `timeout` INT NOT NULL,
-  PRIMARY KEY (`id`));
+  `id` int NOT NULL AUTO_INCREMENT,
+  `client_id` int NOT NULL,
+  `token` varchar(255) NOT NULL,
+  `user_id` int DEFAULT NULL,
+  `last_refresh` int NOT NULL,
+  `timeout` int NOT NULL,
+  `push_notifications_token` text,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
 
 DROP TABLE IF EXISTS `comunic_conversations_list`;
 CREATE TABLE `comunic_conversations_list` (
diff --git a/docs/migration.sql b/docs/migration.sql
index 746a760..78c4aa5 100644
--- a/docs/migration.sql
+++ b/docs/migration.sql
@@ -3,3 +3,11 @@ ALTER TABLE `utilisateurs`
         ADD COLUMN `allow_notif_conv` INT NULL DEFAULT 1 AFTER `delete_likes_after`;
 ALTER TABLE `utilisateurs`
     ADD COLUMN `allow_notif_sound` INT NULL DEFAULT 1 AFTER `allow_notif_conv`;
+
+-- Clients table
+ALTER TABLE `comunic_clients`
+    ADD COLUMN `firebase_token` VARCHAR(255) NULL AFTER `default_expiration_time`;
+
+-- Tokens table
+ALTER TABLE `comunic_user_access_tokens`
+    ADD COLUMN `push_notifications_token` TEXT NULL AFTER `timeout`;