diff --git a/Doc/release_note_en.md b/Doc/release_note_en.md
index f520cc25..92d066ea 100644
--- a/Doc/release_note_en.md
+++ b/Doc/release_note_en.md
@@ -1,5 +1,9 @@
 English / [Japanese](release_note_ja.md)
 
+NYAGOS 4.3.3\_4
+===============
+on Dec.13,2018
+
 * If stdin is not terminal, `more` command runs as `type`.
 * On calling a batch file, `use CMD.EXE /V:ON /S /C "..."` for boosting code instead of temporary batchfile.
 * (#340) Add lua variable `nyagos.histsize` to set the number of entries for history to save disk.
diff --git a/Doc/release_note_ja.md b/Doc/release_note_ja.md
index 0d59e514..c5cf7427 100644
--- a/Doc/release_note_ja.md
+++ b/Doc/release_note_ja.md
@@ -1,5 +1,9 @@
 [English](release_note_en.md) / Japanese
 
+NYAGOS 4.3.3\_4
+===============
+(2018.12.13)
+
 * 出力先が端末でない場合、more を type と等価に
 * バッチ実行時に作成する踏み台の一時バッチを廃止。`CMD /V:ON /S /C "..."` を使うようにした
 * (#340) 最大ヒストリ保存数を指定する `nyagos.histsize` を追加
diff --git a/Misc/version.txt b/Misc/version.txt
index a05b4179..92e5588b 100644
--- a/Misc/version.txt
+++ b/Misc/version.txt
@@ -1 +1 @@
-4.3.3_3
+4.3.3_4