diff --git a/pyproject.toml b/pyproject.toml
index d960936e..2e2d7c3b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ dependencies = [
     "pre-commit>=4.2.0",
     "uv>=0.7.11",
     "mypy>=1.16.0",
-    "langbot-plugin==0.1.1a2",
+    "langbot-plugin==0.1.1b1",
 ]
 keywords = [
     "bot",