diff --git a/blackjax/__init__.py b/blackjax/__init__.py
index b1e526b5c..efb801076 100644
--- a/blackjax/__init__.py
+++ b/blackjax/__init__.py
@@ -20,7 +20,7 @@
 )
 from .optimizers import dual_averaging, lbfgs
 
-__version__ = "0.8.3"
+__version__ = "0.9.0"
 
 __all__ = [
     "dual_averaging",  # optimizers