diff --git a/docs/release-notes.md b/docs/release-notes.md
index 201cb62..25a27b4 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -2,6 +2,8 @@
 
 ## Latest Changes
 
+## 0.0.21
+
 ### Features
 
 * ✨ Add support for cascade delete relationships: `cascade_delete`, `ondelete`, and `passive_deletes`. PR [#983](https://github.com/tiangolo/sqlmodel/pull/983) by [@estebanx64](https://github.com/estebanx64).
diff --git a/sqlmodel/__init__.py b/sqlmodel/__init__.py
index 438d4ba..b02ddc9 100644
--- a/sqlmodel/__init__.py
+++ b/sqlmodel/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.0.20"
+__version__ = "0.0.21"
 
 # Re-export from SQLAlchemy
 from sqlalchemy.engine import create_engine as create_engine