diff --git a/CHANGELOG.md b/CHANGELOG.md
index e94af99..48841ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [1.5.1](https://github.com/molvqingtai/WebChat/compare/v1.5.0...v1.5.1) (2024-10-29)
+
+
+### Bug Fixes
+
+* incompatibility with old data causes app to crash ([bd07bdc](https://github.com/molvqingtai/WebChat/commit/bd07bdc2c3df031d5a04d3eebade5d7fc7672600))
+
 # [1.5.0](https://github.com/molvqingtai/WebChat/compare/v1.4.0...v1.5.0) (2024-10-29)
 
 
diff --git a/package.json b/package.json
index e7998fb..dda6e3e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "web-chat",
   "displayName": "WebChat",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "Chat with anyone on any website.",
   "type": "module",
   "scripts": {