diff --git a/build.sbt b/build.sbt
index d6acb7b7..53342d12 100644
--- a/build.sbt
+++ b/build.sbt
@@ -4,7 +4,7 @@ import LocalProcesses.*
 
 organization := "net.yoshinorin"
 name := "qualtet"
-version := "v2.14.0"
+version := "v2.15.0"
 scalaVersion := "3.5.2"
 val repository = "https://github.com/yoshinorin/qualtet"
 
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 47b86a8f..287acd79 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,7 +2,7 @@
 FROM ghcr.io/yoshinorin/docker-sbt:v1.10.4-scala3.5.2-jdk21 as builder
 
 LABEL maintainer="yoshinorin"
-ENV QUALTET_VERSION="v2.14.0"
+ENV QUALTET_VERSION="v2.15.0"
 
 RUN apt update -y \
   && apt upgrade -y \
diff --git a/docs/_docs/docker/index.md b/docs/_docs/docker/index.md
index 29bd3592..e8c6a473 100644
--- a/docs/_docs/docker/index.md
+++ b/docs/_docs/docker/index.md
@@ -21,6 +21,6 @@ As representative environment variables, following values are exists.
 | --- | --- |
 | `JAVA_VERSION` | `jdk-17.0.7+7` |
 | `SBT_VERSION` | `1.9.0` |
-| `QUALTET_VERSION` | `v2.14.0` |
+| `QUALTET_VERSION` | `v2.15.0` |
 
 If you want to see more details, please execute `docker inspect <image_id>`.
diff --git a/docs/_docs/releases/index.md b/docs/_docs/releases/index.md
index 2f738710..0d17616d 100644
--- a/docs/_docs/releases/index.md
+++ b/docs/_docs/releases/index.md
@@ -5,7 +5,8 @@ title: Releases
 
 | Version | Code name | Released at |
 | --- | --- | --- |
-| [v2.14.0](https://github.com/yoshinorin/qualtet/releases/tag/v2.14.0)                      | Scarlet Orgasta          |                        |
+| [v2.15.0](https://github.com/yoshinorin/qualtet/releases/tag/v2.15.0)                      | Scarlet Penerapi         |                        |
+| [v2.14.0](https://github.com/yoshinorin/qualtet/releases/tag/v2.14.0)                      | Scarlet Orgasta          | 2024-07-21T04:53:47Z   |
 | [v2.13.0](https://github.com/yoshinorin/qualtet/releases/tag/v2.13.0)                      | Scarlet Nanayaku         | 2024-06-19T14:48:54Z   |
 | [v2.12.0](https://github.com/yoshinorin/qualtet/releases/tag/v2.12.0)                      | Scarlet Magata           | 2024-03-08T14:02:09Z   |
 | [v2.11.0](https://github.com/yoshinorin/qualtet/releases/tag/v2.11.0)                      | Scarlet Linda            | 2023-11-03T06:07:42Z   |
diff --git a/docs/rest-api/components/schemas/response/applicationInfo.yml b/docs/rest-api/components/schemas/response/applicationInfo.yml
index 3baf3afd..32db09bf 100644
--- a/docs/rest-api/components/schemas/response/applicationInfo.yml
+++ b/docs/rest-api/components/schemas/response/applicationInfo.yml
@@ -5,7 +5,7 @@ properties:
     example: "qualtet"
   version:
     type: string
-    example: "v2.14.0"
+    example: "v2.15.0"
   repository:
     type: string
     example: "https://github.com/yoshinorin/qualtet"
diff --git a/docs/rest-api/openapi.yml b/docs/rest-api/openapi.yml
index a4433a9e..6f579c68 100644
--- a/docs/rest-api/openapi.yml
+++ b/docs/rest-api/openapi.yml
@@ -1,7 +1,7 @@
 openapi: 3.1.0
 info:
   title: Qualtet API
-  version: v2.14.0
+  version: v2.15.0
   description: |
     # Description
     This API documentation regarding OpenAPI specification. Generated by [ReDoc](https://github.com/Rebilly/ReDoc).
diff --git a/docs/rest-api/package-lock.json b/docs/rest-api/package-lock.json
index abe33872..9e4aac07 100644
--- a/docs/rest-api/package-lock.json
+++ b/docs/rest-api/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "api",
-  "version": "v2.14.0",
+  "version": "v2.15.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "api",
-      "version": "v2.14.0",
+      "version": "v2.15.0",
       "dependencies": {
         "@redocly/cli": "1.25.15"
       },
diff --git a/docs/rest-api/package.json b/docs/rest-api/package.json
index 21288c6f..007e238c 100644
--- a/docs/rest-api/package.json
+++ b/docs/rest-api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "api",
-  "version": "v2.14.0",
+  "version": "v2.15.0",
   "description": "",
   "main": "index.js",
   "scripts": {