prep for publishing (#73)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68c2a70..b034632 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# 2.1.1-dev
+# 2.1.2
 
 - Add markdown badges to the readme.
 
diff --git a/pubspec.yaml b/pubspec.yaml
index aa60fdf..623606f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: pub_semver
-version: 2.1.2-dev
+version: 2.1.2
 description: >-
  Versions and version constraints implementing pub's versioning policy. This
  is very similar to vanilla semver, with a few corner cases.