diff --git a/CHANGELOG.md b/CHANGELOG.md
index be5462d8..0e317438 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## 0.21 (2023-11-08)
+## 0.22 (UNRELEASED)
 
 - Deprecated `EnumType.bind_to_default_values` method. It will be removed in a future release.
 - Added `repair_schema_default_enum_values` to public API.
diff --git a/pyproject.toml b/pyproject.toml
index a7dcb8ba..2447b780 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "ariadne"
-version = "0.21"
+version = "0.22.0b1"
 description = "Ariadne is a Python library for implementing GraphQL servers."
 authors = [{ name = "Mirumee Software", email = "hello@mirumee.com" }]
 readme = "README.md"