diff --git a/go.mod b/go.mod
index acd85ad..8885ac2 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.20
 require (
 	github.com/glebarez/go-sqlite v1.22.0
 	github.com/go-sql-driver/mysql v1.8.1
-	github.com/hymkor/csvi v1.19.1
+	github.com/hymkor/csvi v1.20.1
 	github.com/hymkor/go-multiline-ny v0.22.3
 	github.com/hymkor/go-shellcommand v0.0.2
 	github.com/hymkor/struct2flag v0.0.4
diff --git a/go.sum b/go.sum
index fa519a8..36b3a9f 100644
--- a/go.sum
+++ b/go.sum
@@ -25,8 +25,8 @@ github.com/golang-sql/sqlexp v0.1.0/go.mod h1:J4ad9Vo8ZCWQ2GMrC4UCQy1JpCbwU9m3EO
 github.com/google/pprof v0.0.0-20240409012703-83162a5b38cd h1:gbpYu9NMq8jhDVbvlGkMFWCjLFlqqEZjEmObmhUy6Vo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/hymkor/csvi v1.19.1 h1:gVoqVBgPyEjPWwz3URGLZhQ5RUZQdTzbO5h8sQ0g29g=
-github.com/hymkor/csvi v1.19.1/go.mod h1:s1gvb3w9tVJjb+RhNPGZgHrV8xfRWTIopa57nZCS3hM=
+github.com/hymkor/csvi v1.20.1 h1:C2hL6Y9i57P9K83t3LSfiYYvJK61RlfJ/WKgwTWVjEs=
+github.com/hymkor/csvi v1.20.1/go.mod h1:s1gvb3w9tVJjb+RhNPGZgHrV8xfRWTIopa57nZCS3hM=
 github.com/hymkor/go-multiline-ny v0.22.3 h1:+4ttpG8MQK6F3uWqxbWFoDlIAN8bv4BmH7HyxTIfHn0=
 github.com/hymkor/go-multiline-ny v0.22.3/go.mod h1:9FsFQa3nIhxAjz1yL0kK/Oya/LB4fBsHckY3ZqBcTJY=
 github.com/hymkor/go-shellcommand v0.0.2 h1:6+XG2h/9DGk5i3Oh4rU48z/nsPWx4Sp73s6OpryQtyw=
diff --git a/release_note_en.md b/release_note_en.md
index 4d6e431..36dd687 100644
--- a/release_note_en.md
+++ b/release_note_en.md
@@ -2,6 +2,11 @@ Release notes (English)
 =======================
 ( **English** / [Japanese](release_note_ja.md) )
 
+- Update github.com/hymkor/csvi from v1.19.1 to v1.20.1 (#27)
+  - Use `(*csvi.Application) MessageAndGetKey` instead of removed `(*csvi.Application) YesNo`
+  - Fix display overflow caused by halfwidth kana with voiced/semi-voiced sound marks
+  - Fix a CPU spinning issue after data fetching completed
+
 v0.27.1
 -------
 Jan 4, 2026
diff --git a/release_note_ja.md b/release_note_ja.md
index 6178e0e..d920720 100644
--- a/release_note_ja.md
+++ b/release_note_ja.md
@@ -2,6 +2,11 @@ Release notes (Japanese)
 ========================
 ( [English](release_note_en.md) / **Japanese** )
 
+- Update github.com/hymkor/csvi from v1.19.1 to v1.20.1 (#27)
+  - 廃止された `(*csvi.Application) YesNo` のかわりに、`(*csvi.Application) MessageAndGetKey` を使うようにした
+  - 半角カナの濁音・半濁音記号が含まれていると表示桁数が超過して表示が乱れる問題を修正
+  - データ読み込みが終わると、CPU が空回りになる問題に対処
+
 v0.27.1
 -------
 Jan 4, 2026
diff --git a/spread/view.go b/spread/view.go
index 60d2a2b..b1b48c8 100644
--- a/spread/view.go
+++ b/spread/view.go
@@ -93,7 +93,8 @@ func (viewer *Viewer) edit(title string, validate func(*csvi.CellValidatedEvent)
 	}
 
 	apply := func(app *csvi.KeyEventArgs) (*csvi.CommandResult, error) {
-		if app.YesNo("Apply changes and quit ? [y/n] ") {
+		ch, err := app.MessageAndGetKey("Apply changes and quit ? [y/n] ")
+		if err == nil && (ch == "y" || ch == "Y") {
 			io.WriteString(app, "y\n")
 			applyChange = true
 			return &csvi.CommandResult{Quit: true}, nil