diff --git a/README.md b/README.md
index e214fd6..1903b3a 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ dependencies: [
 let sqliteURL = FileManager()
   .homeDirectoryForCurrentUser
   .appending(path: "file.sqlite")
-var cli = CLIKitService(help: "サンプルCLI")
+var cli = CLI(help: "サンプルCLI")
 cli.use(AddCommand(), as: "add")
 cli.use(CommitCommand(), as: "commit")
 cli.migrations.add(CommitMigration())
diff --git a/Sources/CLIKit/CLIKit.swift b/Sources/CLIKit/CLIKit.swift
index 38d927f..0e51309 100644
--- a/Sources/CLIKit/CLIKit.swift
+++ b/Sources/CLIKit/CLIKit.swift
@@ -11,13 +11,13 @@ import Logging
 /// let sqliteURL = FileManager()
 ///   .homeDirectoryForCurrentUser
 ///   .appending(path: "file.sqlite")
-/// var cli = CLIKitService(help: "サンプルCLI")
+/// var cli = CLI(help: "サンプルCLI")
 /// cli.use(AddCommand(), as: "add")
 /// cli.use(CommitCommand(), as: "commit")
 /// cli.migrations.add(CommitMigration())
 /// await cli.run()
 /// ```
-public struct CLIKitService: Sendable {
+public struct CLI: Sendable {
     public var help: String
     public var console: any Console
     public var input: CommandInput
diff --git a/Sources/CLIKit/CommandContext+initDatabase.swift b/Sources/CLIKit/CommandContext+initDatabase.swift
index ae7e2b3..6cf32c0 100644
--- a/Sources/CLIKit/CommandContext+initDatabase.swift
+++ b/Sources/CLIKit/CommandContext+initDatabase.swift
@@ -17,7 +17,7 @@ extension CommandContext {
                 let databases = await storage.get(Databases.self),
                 let db = await databases.database(logger: logger, on: eventLoopGroup.any())
             else {
-                fatalError("データベースが初期化されていません。CLIKitService(sqlitePath: \"...\")で初期化してください")
+                fatalError("データベースが初期化されていません。CLI(sqlitePath: \"...\")で初期化してください")
             }
             return db
         }
diff --git a/Tests/CLIKitTests/CLIKitDatabaseTests.swift b/Tests/CLIKitTests/CLIKitDatabaseTests.swift
index b981e26..724e76f 100644
--- a/Tests/CLIKitTests/CLIKitDatabaseTests.swift
+++ b/Tests/CLIKitTests/CLIKitDatabaseTests.swift
@@ -39,7 +39,7 @@ import Testing
         }
         removeSQLiteFile()
         defer { removeSQLiteFile() }
-        var sut = CLIKitService(
+        var sut = CLI(
             console: console,
             input: CommandInput(arguments: ["cli", "save"]),
             sqliteURL: sqliteURL
diff --git a/Tests/CLIKitTests/CLIKitServiceTests.swift b/Tests/CLIKitTests/CLIKitServiceTests.swift
index 1bf4733..072c536 100644
--- a/Tests/CLIKitTests/CLIKitServiceTests.swift
+++ b/Tests/CLIKitTests/CLIKitServiceTests.swift
@@ -2,7 +2,7 @@ import CLIKit
 import ConsoleKit
 import Testing
 
-@Suite struct CLIKitServiceTests {
+@Suite struct CLITests {
     @Test func サンプル() async throws {
         // Arrange
         struct TestCommand: AsyncCommand {
@@ -17,7 +17,7 @@ import Testing
         }
 
         let console = TestConsole()
-        var sut = CLIKitService(
+        var sut = CLI(
             console: console,
             input: CommandInput(arguments: ["git", "commit", "-m", "hello"])
         )