diff --git a/claude-agent-sdk/pyproject.toml b/claude-agent-sdk/pyproject.toml
index 79ed934..f6a7158 100644
--- a/claude-agent-sdk/pyproject.toml
+++ b/claude-agent-sdk/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 requires-python = ">=3.10"
 dependencies = [
     "aiohttp==3.14.5",
-    "claude-agent-sdk==0.2.165",
+    "claude-agent-sdk==0.2.166",
     "python-dotenv==1.2.4",
     "slack-bolt==1.30.0",
     "slack-cli-hooks==0.3.0",