diff --git a/pyproject.toml b/pyproject.toml
index ace0a3c..c370151 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "ypywidgets"
-version = "0.9.3"
+version = "0.9.4"
 description = "Y-based Jupyter widgets for Python"
 readme = "README.md"
 license = "MIT"