diff --git a/CMakeLists.txt b/CMakeLists.txt
index c49c1bc..621ff23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ cmake_minimum_required(VERSION 3.1)
 
 set(PROJECT_NAME mc_openrtm)
 set(PROJECT_DESCRIPTION mc_openrtm)
-set(PROJECT_VERSION 1.2.0)
+set(PROJECT_VERSION 1.2.1)
 set(PROJECT_URL https://github.com/jrl-umi3218/mc_openrtm)
 set(PROJECT_DEBUG_POSTFIX "_d")
 set(PROJECT_USE_KEYWORD_LINK_LIBRARIES True)
diff --git a/debian/changelog b/debian/changelog
index 99c16bd..eb8aa45 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+mc-openrtm (1.2.1-1debian1) UNRELEASED; urgency=medium
+
+  * Upstream update
+
+ -- Pierre Gergondet <pierre.gergondet+ppa@gmail.com>  Tue, 10 May 2022 16:12:02 +0800
+
 mc-openrtm (1.2.0-1debian1) unstable; urgency=medium
 
   * Upstream update