diff --git a/optax/__init__.py b/optax/__init__.py
index 41e2ff75..83d72c31 100644
--- a/optax/__init__.py
+++ b/optax/__init__.py
@@ -215,7 +215,7 @@
 )
 dpsgd = contrib.dpsgd
 
-__version__ = "0.2.2.dev"
+__version__ = "0.2.2"
 
 __all__ = (
     "adabelief",