diff --git a/CHANGES.rst b/CHANGES.rst
index d9a62d3..a04029d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -19,8 +19,8 @@ Release History
    - Removed
    - Fixed
 
-1.2.1 (unreleased)
-==================
+1.2.1 (March 19, 2019)
+======================
 
 **Added**
 
diff --git a/nengo_sphinx_theme/version.py b/nengo_sphinx_theme/version.py
index a83fb2e..fc7f482 100644
--- a/nengo_sphinx_theme/version.py
+++ b/nengo_sphinx_theme/version.py
@@ -8,7 +8,7 @@
 
 name = "nengo_sphinx_theme"
 version_info = (1, 2, 1)  # (major, minor, patch)
-dev = 0
+dev = None
 
 version = "{v}{dev}".format(
     v=".".join(str(v) for v in version_info),