diff --git a/HISTORY.rst b/HISTORY.rst
index 8239cd3e14a880551155cda91de94e720ec3ac9d..670491b1714e6102bb52de4b3b0052ec60795e1b 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -7,7 +7,7 @@ History
 
 
 ---------------------
-0.12.1.dev0
+0.12.1 (2019-06-03)
 ---------------------
 
 * Retry botched release that didn't include all relevant commits.
diff --git a/pulsar/__init__.py b/pulsar/__init__.py
index 4321eed5acd3de005f41d0e842ad0b58bf0d5926..6803248e595c77cf22c6599c31bb0c4ccd76ec3a 100644
--- a/pulsar/__init__.py
+++ b/pulsar/__init__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-__version__ = '0.12.1.dev0'
+__version__ = '0.12.1'
 
 PROJECT_NAME = "pulsar"
 PROJECT_OWNER = PROJECT_USERAME = "galaxyproject"