diff --git a/changelog.md b/changelog.md
index c02d68d..3875def 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 2024-10-06 - 1.2.1 - fix(core)
+Ensure stability and performance improvements
+
+- Improves platform compatibility for modern web applications.
+- Enhances stability of the routing logic within SmartRouter class.
+
 ## 2024-10-06 - 1.2.0 - feat(core)
 Add support for base paths and sub-routers.
 
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index a4ccdf6..4976bb1 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartrouter',
-  version: '1.2.0',
+  version: '1.2.1',
   description: 'A JavaScript library providing routing capabilities for web applications.'
 }