diff --git a/pyproject.toml b/pyproject.toml
index 46a5789c2..cf7ebbf9e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,7 +71,7 @@ dependencies = [
     "langchain-text-splitters>=1.1.2",
     "chromadb>=1.0.0,<2.0.0",
     "qdrant-client (>=1.15.1,<2.0.0)",
-    "langbot-plugin==0.6.19",
+    "langbot-plugin==0.6.20",
     "asyncpg>=0.30.0",
     "line-bot-sdk>=3.19.0",
     "matrix-nio>=0.25.2",
diff --git a/uv.lock b/uv.lock
index e8af04c17..9274f34cd 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2185,7 +2185,7 @@ requires-dist = [
     { name = "gewechat-client", specifier = ">=0.1.5" },
     { name = "html2text", specifier = ">=2024.2.26" },
     { name = "httpx", extras = ["socks"], specifier = ">=0.28.1" },
-    { name = "langbot-plugin", specifier = "==0.6.19" },
+    { name = "langbot-plugin", specifier = "==0.6.20" },
     { name = "langchain", specifier = ">=1.3.9" },
     { name = "langchain-core", specifier = ">=1.3.3" },
     { name = "langchain-text-splitters", specifier = ">=1.1.2" },
@@ -2255,7 +2255,7 @@ dev = [
 
 [[package]]
 name = "langbot-plugin"
-version = "0.6.19"
+version = "0.6.20"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "aiofiles" },
@@ -2276,9 +2276,9 @@ dependencies = [
     { name = "watchdog" },
     { name = "websockets" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/5e/f5/5db731f41e93b4f2110f3ac6616872cba59bb8b3a4b78e3e42ca031d6310/langbot_plugin-0.6.19.tar.gz", hash = "sha256:f3b75b8dba987f3fa84f8799af926dd1af6222619b8aa93e7165a0bd8565cfda", size = 663245, upload-time = "2026-09-27T07:38:23.886Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/dd/bb/08bfa37c29a9b6823678e0b837adddacab162b982b36737e0b5e7bea6c40/langbot_plugin-0.6.20.tar.gz", hash = "sha256:86b3803fb83e67379db4a6cf166dec67a8233fbfbc1dbbf744b2b765d0615879", size = 663741, upload-time = "2026-09-27T08:56:36.473Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/44/17/0a8d92c7d50c401d32d4bca04dd5b1aad5c15de062a3929e14838e92f22c/langbot_plugin-0.6.19-py3-none-any.whl", hash = "sha256:ab715aa0740e3b896af060e2a180b5f58e254ce89f76d572426804686e43648c", size = 429697, upload-time = "2026-09-27T07:38:21.425Z" },
+    { url = "https://files.pythonhosted.org/packages/48/28/f537c212f67afd3820bb56920b9b29783b68096fb6b2ca1a388d268dd27c/langbot_plugin-0.6.20-py3-none-any.whl", hash = "sha256:b110878d880b24ac739b26b3eb158067fb4d0be8b55ba3baf97d2092da920f10", size = 429929, upload-time = "2026-09-27T08:56:34.995Z" },
 ]
 
 [[package]]