diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,8 +1,12 @@
 <!-- -*- Markdown -*- -->
 
+## 0.12.2.1
+
+- fix changelog.
+
 ## 0.12.2.0
 
-- add configuration flags to fix problem of correlation.
+- add configuration flags to fix problem of correlation. -- Thanks for Yoshikuni Jujo
 - not import LiteralSQL instance for UTF-8 encoded ByteString by default.
 - not import LiteralSQL instance for ZonedTime and UTCTime corresponding TIMESTAMPTZ by default.
 - deprecations of some old APIs.
diff --git a/relational-query.cabal b/relational-query.cabal
--- a/relational-query.cabal
+++ b/relational-query.cabal
@@ -1,5 +1,5 @@
 name:                relational-query
-version:             0.12.2.0
+version:             0.12.2.1
 synopsis:            Typeful, Modular, Relational, algebraic query engine
 description:         This package contiains typeful relation structure and
                      relational-algebraic query building DSL which can