diff --git a/pyproject.toml b/pyproject.toml
index 4227c63..261a6e4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "llm-anthropic"
-version = "0.11"
+version = "0.12"
 description = "LLM access to models by Anthropic, including the Claude series"
 readme = "README.md"
 authors = [{name = "Simon Willison"}]