diff --git a/CHANGELOG.md b/CHANGELOG.md
index 35d41e5..e4f97fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## 3.3.0 - 2021-05-07
 
 ### Changed
 
diff --git a/appveyor.yml b/appveyor.yml
index 6da6a19..44e1799 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: "3.2.0-{build}"
+version: "3.3.0-{build}"
 branches:
   only:
     - master