bump release version up to 2.1.0

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
diff --git a/README b/README
index 7c8f6a6..764c775 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 # libhinawa
 
-2020/08/17
+2020/08/24
 Takashi Sakamoto
 
 ## Instruction
@@ -111,8 +111,8 @@
 
 ## How to make RPM package
 
-1. archive all source code into libhinawa-2.1.0.tar.gz
-  $ git archive --format tar.gz --prefix='libhinawa-2.1.0/' 2.1.0 -o ~/rpmbuild/SOURCES/libhinawa-2.1.0.tar.gz
+1. archive all source code into libhinawa-2.2.0.tar.gz
+  $ git archive --format tar.gz --prefix='libhinawa-2.2.0/' 2.2.0 -o ~/rpmbuild/SOURCES/libhinawa-2.2.0.tar.gz
 2. rpmbuild -bb libhinawa.spec
 
 ## Lose of backward compatibility from v1 release.
diff --git a/libhinawa.spec b/libhinawa.spec
index 1f23ba5..2b6166f 100644
--- a/libhinawa.spec
+++ b/libhinawa.spec
@@ -1,5 +1,5 @@
 Name:			libhinawa
-Version:		2.1.0
+Version:		2.2.0
 Release:		1%{?dist}
 Summary:		GObject introspection library for devices connected to IEEE 1394 bus
 
@@ -64,6 +64,9 @@
 
 
 %changelog
+* Thu Aug 24 2020 Takashi Sakamoto <o-takashi@sakamocchi.jp> - 2.2.0
+- new upstream release.
+
 * Thu Aug 18 2020 Takashi Sakamoto <o-takashi@sakamocchi.jp> - 2.1.0
 - new upstream release.
 
diff --git a/meson.build b/meson.build
index 625dcde..97c5050 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('libhinawa', 'c',
-  version: '2.1.0',
+  version: '2.2.0',
   license: 'LGPL-2.1+',
   meson_version: '>= 0.46.0',
 )