diff --git a/HISTORY-ITA.txt b/HISTORY-ITA.txt
index 915d4266..76aa4744 100644
--- a/HISTORY-ITA.txt
+++ b/HISTORY-ITA.txt
@@ -267,7 +267,7 @@
     - Aggiunto WS_CLIPCHILDREN per la finestra RAD per ridurre lo sfarfallio.
 - v.5.7.0 (18.03.2022)
     - Corretta ricompilazione nella gestione degli ID delle risorse.
-- v.5.7.1 (2022.XX.YY)
+- v.5.7.1 (2022.03.28)
     - Improved version info dialog.
     - Backed to a flickering method due to wrong control display.
     - Remembered main window focus.
diff --git a/HISTORY-JPN.txt b/HISTORY-JPN.txt
index 68d2bc92..9e26a8cf 100644
--- a/HISTORY-JPN.txt
+++ b/HISTORY-JPN.txt
@@ -610,7 +610,7 @@
         ちらつきを減らすためにRADウィンドウにWS_CLIPCHILDRENを追加。
     v.5.7.0 (2022.03.18)
         リソースIDの管理において再コンパイルを修正。
-    v.5.7.1 (2022.XX.YY)
+    v.5.7.1 (2022.03.28)
         バージョン情報ダイアログを改良。
         コントロールの表示が悪いので、ちらつきのある方法に戻る。
         メインウィンドウのフォーカスを記憶。
diff --git a/HISTORY-KOR.txt b/HISTORY-KOR.txt
index 32f0098c..b9647eca 100644
--- a/HISTORY-KOR.txt
+++ b/HISTORY-KOR.txt
@@ -268,7 +268,7 @@
     - 깜박임을 줄이기 위해 RAD 창용 WS_CLIPCHILEND가 추가되었습니다.
 - v.5.7.0 (2022.03.18)
     - 리소스 ID 관리에서 수정된 재컴파일입니다.
-- v.5.7.1 (2022.XX.YY)
+- v.5.7.1 (2022.03.28)
     - 버전 정보 대화상자가 개선되었습니다.
     - Backed to a flickering method due to wrong control display.
     - Remembered main window focus.
diff --git a/HISTORY.txt b/HISTORY.txt
index 9099472d..0b16e882 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -267,7 +267,7 @@
     - Added WS_CLIPCHILDREN for RAD window to reduce flickering.
 - v.5.7.0 (2022.03.18)
     - Fixed recompilation in management of resource IDs.
-- v.5.7.1 (2022.XX.YY)
+- v.5.7.1 (2022.03.28)
     - Improved version info dialog.
     - Backed to a flickering method due to wrong control display.
     - Remembered main window focus.