Update change log (#561)

muzahidul-opti · web-flow · commit 5a1b1c8ea8c4 · 2025-02-20T14:49:06.000+06:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Optimizely Java X SDK Changelog
 
+## [4.2.1]
+Feb 19th, 2025
+
+### Fixes
+- Fix big integer conversion ([#556](https://github.com/optimizely/java-sdk/pull/556)).
+
 ## [4.2.0]
 November 6th, 2024
 
