diff --git a/claude-agent-sdk/pyproject.toml b/claude-agent-sdk/pyproject.toml
index 9aece4c..85bff85 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==0.2.128",
-    "aiohttp==3.14.1",
+    "aiohttp==3.14.3",
     "python-dotenv==1.2.2",
 ]
 
diff --git a/claude-agent-sdk/requirements.txt b/claude-agent-sdk/requirements.txt
index bb32ffe..46cf8bd 100644
--- a/claude-agent-sdk/requirements.txt
+++ b/claude-agent-sdk/requirements.txt
@@ -2,7 +2,7 @@ slack-sdk==3.43.0
 slack-bolt==1.30.0
 slack-cli-hooks==0.3.0
 claude-agent-sdk==0.2.128
-aiohttp==3.14.1
+aiohttp==3.14.3
 python-dotenv==1.2.2
 
 pytest==9.1.1