diff --git a/claude-agent-sdk/pyproject.toml b/claude-agent-sdk/pyproject.toml
index e5f1bc8..6ae4f6e 100644
--- a/claude-agent-sdk/pyproject.toml
+++ b/claude-agent-sdk/pyproject.toml
@@ -6,7 +6,7 @@ dependencies = [
     "slack-sdk==3.41.0",
     "slack-bolt>=1.28.0",
     "slack-cli-hooks<1.0.0",
-    "claude-agent-sdk>=0.1.75",
+    "claude-agent-sdk>=0.1.81",
     "aiohttp>=3.13.5",
     "python-dotenv==1.2.2",
 ]
diff --git a/claude-agent-sdk/requirements.txt b/claude-agent-sdk/requirements.txt
index ede8058..66efead 100644
--- a/claude-agent-sdk/requirements.txt
+++ b/claude-agent-sdk/requirements.txt
@@ -1,7 +1,7 @@
 slack-sdk==3.41.0
 slack-bolt>=1.28.0
 slack-cli-hooks<1.0.0
-claude-agent-sdk>=0.1.75
+claude-agent-sdk>=0.1.81
 aiohttp>=3.13.5
 python-dotenv==1.2.2