diff --git a/cookbook/_templates/version-switch.html b/cookbook/_templates/version-switch.html
index c81fba87c..7a87f806e 100644
--- a/cookbook/_templates/version-switch.html
+++ b/cookbook/_templates/version-switch.html
@@ -54,8 +54,8 @@
 </style>
 
 <script>
-    const VERSIONS = ["preview", "v1.0.5", "v0.2.0"];
-    const VERSION_PATTERN = /^\/(v\d+\.\d+\.\d+)\//;
+    const VERSIONS = ["preview", "v1.1.0", "v1.0.5.post1", "v0.2.0"];
+    const VERSION_PATTERN = /^\/(v[^\[/]+)\//;
 
     function populateVersionMenu() {
         const menu = document.getElementById("version-menu");
diff --git a/cookbook/build.sh b/cookbook/build.sh
index 355d8ce43..c8e4b80fb 100644
--- a/cookbook/build.sh
+++ b/cookbook/build.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # Multiple versions to build
-VERSIONS=("preview" "v1.0.5" "v0.2.0")
+VERSIONS=("preview" "v1.1.0" "v1.0.5.post1" "v0.2.0")
 OUTPUT_DIR="_build"
 
 # ANSI color codes for better display
diff --git a/pyproject.toml b/pyproject.toml
index f0fc7ddf8..617c87533 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "agentscope-runtime"
-version = "1.1.0"
+version = "1.1.1a1"
 description = "A production-ready runtime framework for agent applications, providing secure sandboxed execution environments and scalable deployment solutions with multi-framework support."
 readme = "README.md"
 requires-python = ">=3.10"
diff --git a/src/agentscope_runtime/version.py b/src/agentscope_runtime/version.py
index ad8ed278d..129937bd8 100644
--- a/src/agentscope_runtime/version.py
+++ b/src/agentscope_runtime/version.py
@@ -1,2 +1,2 @@
 # -*- coding: utf-8 -*-
-__version__ = "v1.1.0"
+__version__ = "v1.1.1a1"