diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f31e2e1..19440370 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.1)
 project(oniguruma
-  VERSION 6.9.6
+  VERSION 6.9.7
   LANGUAGES C)
 
 set(PACKAGE onig)
diff --git a/README.md b/README.md
index 043b1f71..eeb29e8a 100644
--- a/README.md
+++ b/README.md
@@ -113,32 +113,6 @@ Version 6.9.0
 * NEW: add Emoji properties
 
 
-Version 6.8.2
--------------
-
-* Fix: #80 UChar in header causes issue
-* NEW API: onig_set_callout_user_data_of_match_param()  (* omission in 6.8.0)
-* add doc/CALLOUTS.API and doc/CALLOUTS.API.ja
-
-
-Version 6.8.1
--------------
-
-* Update shared library version to 5.0.0 for API incompatible changes from 6.7.1
-
-
-Version 6.8.0
--------------
-
-* Retry-limit-in-match function enabled by default
-* NEW: configure option --enable-posix-api=no  (* enabled by default)
-* NEW API: onig_search_with_param(), onig_match_with_param()
-* NEW: Callouts of contents  (?{...contents...}) (?{...}\[tag]\[X<>]) (?{{...}})
-* NEW: Callouts of name      (*name) (*name\[tag]{args...})
-* NEW: Builtin callouts  (*FAIL) (*MISMATCH) (*ERROR{n}) (*COUNT) (*MAX{n}) etc..
-* Examples of Callouts program: [callout.c](sample/callout.c), [count.c](sample/count.c), [echo.c](sample/echo.c)
-
-
 License
 -------
 
diff --git a/configure.ac b/configure.ac
index 2efaf199..1afa37e6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT(onig, 6.9.6)
+AC_INIT(onig, 6.9.7)
 
 AC_CONFIG_MACRO_DIR([m4])
 
@@ -57,7 +57,7 @@ fi
 dnl Checks for programs.
 AC_PROG_CC
 LT_INIT
-LTVERSION="6:0:1"
+LTVERSION="7:0:2"
 AC_SUBST(LTVERSION)
 
 AC_PROG_INSTALL
diff --git a/src/oniguruma.h b/src/oniguruma.h
index 7af0b074..6f4edbbe 100644
--- a/src/oniguruma.h
+++ b/src/oniguruma.h
@@ -36,9 +36,9 @@ extern "C" {
 #define ONIGURUMA
 #define ONIGURUMA_VERSION_MAJOR   6
 #define ONIGURUMA_VERSION_MINOR   9
-#define ONIGURUMA_VERSION_TEENY   6
+#define ONIGURUMA_VERSION_TEENY   7
 
-#define ONIGURUMA_VERSION_INT     60906
+#define ONIGURUMA_VERSION_INT     60907
 
 #ifndef P_
 #if defined(__STDC__) || defined(_WIN32)