diff --git a/CMakeLists.txt b/CMakeLists.txt
index eead043..2021c99 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 cmake_minimum_required(VERSION 3.22)
-project(openarm_can VERSION 1.0.0)
+project(openarm_can VERSION 1.1.0)
 
 # Set C++ standard
 set(CMAKE_CXX_STANDARD 17)
diff --git a/packages/debian/changelog b/packages/debian/changelog
index e69de29..16f4a5d 100644
--- a/packages/debian/changelog
+++ b/packages/debian/changelog
@@ -0,0 +1,5 @@
+openarm-can (1.1.0-1) unstable; urgency=low
+
+  * New upstream release.
+
+ -- Sutou Kouhei <kou@clear-code.com>  Fri, 10 Oct 2025 06:49:53 -0000
diff --git a/packages/fedora/openarm-can.spec b/packages/fedora/openarm-can.spec
index 04a801a..6f856ff 100644
--- a/packages/fedora/openarm-can.spec
+++ b/packages/fedora/openarm-can.spec
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 Name:           openarm-can
-Version:        1.0.0
+Version:        1.1.0
 Release:        %{autorelease}
 Summary:        OpenArm CAN control library
 
diff --git a/python/meson.build b/python/meson.build
index a6c62db..c10dcac 100644
--- a/python/meson.build
+++ b/python/meson.build
@@ -15,7 +15,7 @@
 project(
     'openarm_can',
     'cpp',
-    version: '1.0.0',
+    version: '1.1.0',
     default_options: ['cpp_std=c++17'],
 )
 
diff --git a/python/openarm/can/__init__.py b/python/openarm/can/__init__.py
index d6affd8..5e07660 100644
--- a/python/openarm/can/__init__.py
+++ b/python/openarm/can/__init__.py
@@ -22,7 +22,7 @@ allowing you to control DAMIAO motors through SocketCAN.
 # Import all C++ bindings directly - 1:1 mapping with C++ API
 from .core import *
 
-__version__ = "1.0.0"
+__version__ = "1.1.0"
 __author__ = "Enactic, Inc."
 
 # Direct export of C++ classes - no wrappers
diff --git a/python/pyproject.toml b/python/pyproject.toml
index c1a11fd..d8ce8cd 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -24,7 +24,7 @@ maintainers = [{name = "Enactic, Inc."}]
 name = "openarm_can"
 readme = "README.md"
 requires-python = ">= 3.10"
-version = "1.0.0"
+version = "1.1.0"
 
 [project.urls]
 # TODO: changelog = "https://github.com/reazon-research/openarm_socketcan/releases"