diff --git a/claude-agent-sdk/pyproject.toml b/claude-agent-sdk/pyproject.toml
index 5f89432..5bde36d 100644
--- a/claude-agent-sdk/pyproject.toml
+++ b/claude-agent-sdk/pyproject.toml
@@ -7,7 +7,7 @@ dependencies = [
     "slack-bolt>=1.28.0",
     "slack-cli-hooks<1.0.0",
     "claude-agent-sdk>=0.1.36",
-    "aiohttp>=3.13.3",
+    "aiohttp>=3.13.5",
     "python-dotenv==1.2.2",
 ]