diff --git a/CHANGELOG.md b/CHANGELOG.md
index 726dbe0..f14f861 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@ Changelog
 
 <!--next-version-placeholder-->
 
+## v3.3.1 (2021-02-06)
+### Fix
+* **options:** Fix custom options.json groups starting/ending ([#671](https://github.com/guessit-io/guessit/issues/671)) ([`40f43b1`](https://github.com/guessit-io/guessit/commit/40f43b133cf5fb43d79c1e2b886a3620830a4a37))
+
+### Documentation
+* Lighten README and update doc index page ([`8e4ba6f`](https://github.com/guessit-io/guessit/commit/8e4ba6f0e4835026e85fca81faba267c95eb31fc))
+
 ## v3.3.0 (2021-02-03)
 ### Feature
 * Add `--output-input-string` option ([#665](https://github.com/guessit-io/guessit/issues/665)) ([`bac6143`](https://github.com/guessit-io/guessit/commit/bac6143559d437edc34e2fde0b77172567e4451d))
diff --git a/guessit/__version__.py b/guessit/__version__.py
index 006ba87..357f94c 100644
--- a/guessit/__version__.py
+++ b/guessit/__version__.py
@@ -4,4 +4,4 @@
 Version module
 """
 # pragma: no cover
-__version__ = '3.3.0'
+__version__ = '3.3.1'