diff --git a/CHANGELOG.md b/CHANGELOG.md
index b536a064..798be078 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+**1.2.21**
+- Added CPU temperature to the CPU load display.
+- Added UTC clock to the receiver panel.
+- Fixed secondary waterfall requiring FFT compression.
+- Fixed center_freq changes not propagating up.
+- Made ISM device model column wider.
+
 **1.2.20**
 - Increased ISM mode bandwidth from 48kHz to 250kHz.
 - Added admin-defined receiver name (if any) to the window title.
diff --git a/debian/changelog b/debian/changelog
index 0df83f1b..e8065600 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,13 @@
+openwebrx (1.2.21) bullseye jammy; urgency=low
+
+  * Added CPU temperature to the CPU load display.
+  * Added UTC clock to the receiver panel.
+  * Fixed secondary waterfall requiring FFT compression.
+  * Fixed center_freq changes not propagating up.
+  * Made ISM device model column wider.
+
+ -- Marat Fayzullin <luarvique@gmail.com>  Sat, 1 Jul 2023 16:12:00 +0000
+
 openwebrx (1.2.20) bullseye jammy; urgency=low
 
   * Increased ISM mode bandwidth from 48kHz to 250kHz.
diff --git a/owrx/version.py b/owrx/version.py
index df84c11b..c726be09 100644
--- a/owrx/version.py
+++ b/owrx/version.py
@@ -1,5 +1,5 @@
 from distutils.version import LooseVersion
 
-_versionstring = "1.2.20"
+_versionstring = "1.2.21"
 looseversion = LooseVersion(_versionstring)
 openwebrx_version = "v{0}".format(looseversion)