diff --git a/claude-agent-sdk/pyproject.toml b/claude-agent-sdk/pyproject.toml
index 1afa983..26e4ab6 100644
--- a/claude-agent-sdk/pyproject.toml
+++ b/claude-agent-sdk/pyproject.toml
@@ -7,7 +7,7 @@ dependencies = [
     "slack-bolt==1.30.0",
     "slack-cli-hooks==0.3.0",
     "claude-agent-sdk==0.2.126",
-    "aiohttp==3.14.1",
+    "aiohttp==3.14.3",
     "python-dotenv==1.2.2",
 ]