diff --git a/deploy/mysql.sql b/deploy/mysql.sql
index 404be4a..657390a 100644
--- a/deploy/mysql.sql
+++ b/deploy/mysql.sql
@@ -106,21 +106,21 @@ CREATE TABLE `dispute_game`
 DROP TABLE IF EXISTS `game_claim_data`;
 CREATE TABLE `game_claim_data`
 (
-    `id`              bigint       NOT NULL AUTO_INCREMENT,
-    `created_at`      datetime              DEFAULT CURRENT_TIMESTAMP,
-    `updated_at`      datetime              DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-    `game_contract`   varchar(42)  NOT NULL,
-    `data_index`      bigint       NOT NULL,
-    `parent_index`    bigint       NOT NULL,
-    `countered_by`    varchar(42)  NOT NULL,
-    `claimant`        varchar(64)  NOT NULL,
-    `bond`            varchar(128) NOT NULL,
-    `claim`           varchar(64)  NOT NULL,
-    `position`        varchar(128) NOT NULL,
-    `clock`           varchar(128) NOT NULL,
-    `output_block`    bigint       NOT NULL,
-    `event_id`        bigint       NOT NULL,
-    `on_chain_status` varchar(32)  NOT NULL DEFAULT 'valid',
+    `id`              bigint          NOT NULL AUTO_INCREMENT,
+    `created_at`      datetime                 DEFAULT CURRENT_TIMESTAMP,
+    `updated_at`      datetime                 DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    `game_contract`   varchar(42)     NOT NULL,
+    `data_index`      bigint          NOT NULL,
+    `parent_index`    bigint          NOT NULL,
+    `countered_by`    varchar(42)     NOT NULL,
+    `claimant`        varchar(64)     NOT NULL,
+    `bond`            varchar(128)    NOT NULL,
+    `claim`           varchar(64)     NOT NULL,
+    `position`        varchar(128)    NOT NULL,
+    `clock`           varchar(128)    NOT NULL,
+    `output_block`    bigint UNSIGNED NOT NULL,
+    `event_id`        bigint UNSIGNED NOT NULL,
+    `on_chain_status` varchar(32)     NOT NULL DEFAULT 'valid',
     PRIMARY KEY (`id`),
     KEY `claim_on_chain_status_index` (`on_chain_status`)
 ) ENGINE = InnoDB