diff --git a/pyproject.toml b/pyproject.toml
index 39f97919..7d5e007d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "langbot"
-version = "4.6.2"
+version = "4.6.3"
 description = "Easy-to-use global IM bot platform designed for LLM era"
 readme = "README.md"
 license-files = ["LICENSE"]
@@ -63,7 +63,7 @@ dependencies = [
     "langchain-text-splitters>=0.0.1",
     "chromadb>=0.4.24",
     "qdrant-client (>=1.15.1,<2.0.0)",
-    "langbot-plugin==0.2.1b1",
+    "langbot-plugin==0.2.1",
     "asyncpg>=0.30.0",
     "line-bot-sdk>=3.19.0",
     "tboxsdk>=0.0.10",
diff --git a/src/langbot/__init__.py b/src/langbot/__init__.py
index 7b959761..4eaf2bd7 100644
--- a/src/langbot/__init__.py
+++ b/src/langbot/__init__.py
@@ -1,3 +1,3 @@
 """LangBot - Easy-to-use global IM bot platform designed for LLM era"""
 
-__version__ = '4.6.2'
+__version__ = '4.6.3'