diff --git a/debian/changelog b/debian/changelog
index 4b8654fb6b..ae5ab2352d 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+nntrainer (0.3.0) unstable; urgency=medium
+
+  * 0.3.0 released
+
+ -- jijoongmoon <jijoong.moon@samsung.com>  Fri, 24 Sep 2021 13:50:17 +0900
+
 nntrainer (0.2.0) unstable; urgency=medium
 
   * 0.2.0 released
diff --git a/meson.build b/meson.build
index eb700ef954..3e5d312653 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('nntrainer', 'c', 'cpp',
-  version: '0.0.1',
+  version: '0.3.0',
   license: ['apache-2.0'],
   meson_version: '>=0.50.0',
   default_options: [
diff --git a/packaging/nntrainer.spec b/packaging/nntrainer.spec
index 0696b27a1f..a1473b4da9 100644
--- a/packaging/nntrainer.spec
+++ b/packaging/nntrainer.spec
@@ -46,7 +46,7 @@
 
 Name:		nntrainer
 Summary:	Software framework for training neural networks
-Version:	0.2.0
+Version:	0.3.0
 Release:	0
 Packager:	Jijoong Moon <jijoong.moon@samsung.com>
 License:	Apache-2.0
@@ -525,6 +525,8 @@ cp -r result %{buildroot}%{_datadir}/nntrainer/unittest/
 %endif
 
 %changelog
+* Fri Sep 24 2021 Jijoong Moon <jijoong.moon@samsung.com>
+- Release of 0.3.0
 * Wed Jun 02 2021 Jijoong Moon <jijoong.moon@samsung.com>
 - Release of 0.2.0
 * Wed Sep 23 2020 Jijoong Moon <jijoong.moon@samsung.com>