diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57920507..dd207914 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,10 @@ change warranting a new major release:
 
 # [unreleased]
 
+# [v1.26.0] 2023-02-08
+
+eive-tmtc v2.12.1
+
 ## Changed
 
 ### ACS
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f5220063..8672db5e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@
 cmake_minimum_required(VERSION 3.13)
 
 set(OBSW_VERSION_MAJOR 1)
-set(OBSW_VERSION_MINOR 25)
+set(OBSW_VERSION_MINOR 26)
 set(OBSW_VERSION_REVISION 0)
 
 # set(CMAKE_VERBOSE TRUE)
diff --git a/tmtc b/tmtc
index 9955295d..d0c8e20d 160000
--- a/tmtc
+++ b/tmtc
@@ -1 +1 @@
-Subproject commit 9955295dfe16a9e0da7dee273c0abd502307eb64
+Subproject commit d0c8e20d4f9a6f5aee3ccfa05c4f7ab7151400b5