diff --git a/CHANGES.rst b/CHANGES.rst
index 0f826be..1646b35 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,9 +1,11 @@
 Changelog for Isso
 ==================
 
-0.12.2 (UNRELEASED)
+0.12.2 (2019-01-21)
 -------------------
 
+- Revert use of labels instead of placeholders, since it breaks
+  mail notifications. #524
 
 0.12.1 (2019-01-19)
 -------------------
diff --git a/setup.py b/setup.py
index dc321ff..321c4a8 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@ elif (3, 0) <= sys.version_info < (3, 4):
 
 setup(
     name='isso',
-    version='0.12.2dev0',
+    version='0.12.2',
     author='Martin Zimmermann',
     author_email='info@posativ.org',
     packages=find_packages(),