diff --git a/HISTORY b/HISTORY
index c835caab..7919b60e 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,8 +1,13 @@
 History of Onigmo (Oniguruma-mod)
 
+2017/01/16: Version 6.1.0
+
+2017/01/16: [dist] Update LTVERSION to "6:1:0".
 2016/12/26: [impl] Import Ruby r57143, r57175, r57134, r57138 and r57190.
 2016/12/23: [new]  (special thanks to Tanaka Akira)
                    Support absent operator (Issue #82)
+2016/12/22: [bug]  (thanks iology)
+                   mac: Fix loading library (PR #84)
 2016/12/14: [impl] Don't parse (?@...) if USE_CAPTURE_HISTORY is not defined
 2016/12/13: [bug]  Fix out-of-bounds read in set_bm_skip() (Issue #81)
 2016/12/12: [bug]  Fix backward search with .* (Issue #69)
diff --git a/configure b/configure
index 0402a931..5cf95a58 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for onigmo 6.0.0.
+# Generated by GNU Autoconf 2.69 for onigmo 6.1.0.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -587,8 +587,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='onigmo'
 PACKAGE_TARNAME='onigmo'
-PACKAGE_VERSION='6.0.0'
-PACKAGE_STRING='onigmo 6.0.0'
+PACKAGE_VERSION='6.1.0'
+PACKAGE_STRING='onigmo 6.1.0'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1313,7 +1313,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures onigmo 6.0.0 to adapt to many kinds of systems.
+\`configure' configures onigmo 6.1.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1383,7 +1383,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of onigmo 6.0.0:";;
+     short | recursive ) echo "Configuration of onigmo 6.1.0:";;
    esac
   cat <<\_ACEOF
 
@@ -1493,7 +1493,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-onigmo configure 6.0.0
+onigmo configure 6.1.0
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2095,7 +2095,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by onigmo $as_me 6.0.0, which was
+It was created by onigmo $as_me 6.1.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2913,7 +2913,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='onigmo'
- VERSION='6.0.0'
+ VERSION='6.1.0'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -12173,7 +12173,7 @@ if test "$am_t" != yes; then
 fi
 
 
-LTVERSION="6:0:0"
+LTVERSION="6:1:0"
 
 
 
@@ -13448,7 +13448,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by onigmo $as_me 6.0.0, which was
+This file was extended by onigmo $as_me 6.1.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -13514,7 +13514,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-onigmo config.status 6.0.0
+onigmo config.status 6.1.0
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index ea7956bf..8c6148a2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT(onigmo, 6.0.0)
+AC_INIT(onigmo, 6.1.0)
 
 AC_CONFIG_MACRO_DIR([m4])
 
@@ -42,7 +42,7 @@ dnl Checks for programs.
 AC_PROG_CC
 AC_PROG_LIBTOOL
 AM_PROG_CC_C_O
-LTVERSION="6:0:0"
+LTVERSION="6:1:0"
 AC_SUBST(LTVERSION)
 
 AC_PROG_INSTALL
diff --git a/onigmo.h b/onigmo.h
index e9773d8d..9c6abc88 100644
--- a/onigmo.h
+++ b/onigmo.h
@@ -5,7 +5,7 @@
 **********************************************************************/
 /*-
  * Copyright (c) 2002-2009  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
- * Copyright (c) 2011-2016  K.Takata  <kentkt AT csc DOT jp>
+ * Copyright (c) 2011-2017  K.Takata  <kentkt AT csc DOT jp>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,7 @@ extern "C" {
 #endif
 
 #define ONIGMO_VERSION_MAJOR   6
-#define ONIGMO_VERSION_MINOR   0
+#define ONIGMO_VERSION_MINOR   1
 #define ONIGMO_VERSION_TEENY   0
 
 #ifndef ONIG_EXTERN
diff --git a/regversion.c b/regversion.c
index 7132a883..d80e8d28 100644
--- a/regversion.c
+++ b/regversion.c
@@ -3,7 +3,7 @@
 **********************************************************************/
 /*-
  * Copyright (c) 2002-2016  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
- * Copyright (c) 2011-2016  K.Takata  <kentkt AT csc DOT jp>
+ * Copyright (c) 2011-2017  K.Takata  <kentkt AT csc DOT jp>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,7 +49,7 @@ onig_copyright(void)
 {
   const char *s =
     "Onigmo " ONIG_VERSION_STRING " : Copyright (C) 2002-2016 K.Kosako, "
-    "2011-2016 K.Takata";
+    "2011-2017 K.Takata";
 
   return s;
 }