diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 947d589ba42a9251b67ad57063bb7e8de0f84a3e..db9a205ded4d506eb37fbd5f96956936685a9174 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,13 @@
  Changes
 =========
 
+0.52 (2021-12-10)
+-----------------
+
+* default, download-unpacked: improve multiarch support
+  (for the default recipe, multiarch() replaces guessPlatform()).
+* shared: fix trailing whitespace in signature file on Python 2.
+
 0.51 (2021-12-08)
 -----------------
 
diff --git a/setup.py b/setup.py
index 8433740acc41393140e922d1b0b73dd0f625f13f..e38d465c82aae6c155eae18c1cfcd407e28d4441 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '0.51'
+version = '0.52'
 name = 'slapos.recipe.build'
 long_description = open("README.rst").read() + "\n" + \
     open("CHANGELOG.rst").read() + "\n"