diff --git a/CHANGELOG.md b/CHANGELOG.md
index d782945153..69f1123f09 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ You should also include the user name that made the change.
 
 ### Improvements
 - Playのプリセットを追加
+- Playのscriptの文字数制限を緩和
 - AiScript GUIの強化
 - 存在しないカスタム絵文字をテキストで表示するように
 
diff --git a/packages/backend/migration/1674086433654-flashScriptLength.js b/packages/backend/migration/1674086433654-flashScriptLength.js
new file mode 100644
index 0000000000..a4d149fe15
--- /dev/null
+++ b/packages/backend/migration/1674086433654-flashScriptLength.js
@@ -0,0 +1,11 @@
+export class flashScriptLength1674086433654 {
+    name = 'flashScriptLength1674086433654'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "flash" ALTER COLUMN "script" TYPE character varying(32768)`);
+    }
+
+    async down(queryRunner) {
+			await queryRunner.query(`ALTER TABLE "flash" ALTER COLUMN "script" TYPE character varying(16384)`);
+    }
+}
diff --git a/packages/backend/src/models/entities/Flash.ts b/packages/backend/src/models/entities/Flash.ts
index d9a6ac987c..07039d4fa1 100644
--- a/packages/backend/src/models/entities/Flash.ts
+++ b/packages/backend/src/models/entities/Flash.ts
@@ -44,7 +44,7 @@ export class Flash {
 	public user: User | null;
 
 	@Column('varchar', {
-		length: 16384,
+		length: 32768,
 	})
 	public script: string;