diff --git a/narwhals/__init__.py b/narwhals/__init__.py
index 62a5cebe2..6e1481024 100644
--- a/narwhals/__init__.py
+++ b/narwhals/__init__.py
@@ -17,7 +17,7 @@
 from narwhals.series import Series
 from narwhals.translate import to_native
 
-__version__ = "0.6.5"
+__version__ = "0.6.6"
 
 __all__ = [
     "is_dataframe",
diff --git a/pyproject.toml b/pyproject.toml
index 7cdc0566e..a35ccf1e8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "narwhals"
-version = "0.6.5"
+version = "0.6.6"
 authors = [
   { name="Marco Gorelli", email="33491632+MarcoGorelli@users.noreply.github.com" },
 ]