diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f0ac8a6..16f01132 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Mindee Ruby API Library Changelog
 
+## v5.2.1 - 2026-05-27
+### Changes
+* :recycle: add polling options as a dedicated parameter (#252)
+
+
 ## v5.2.0 - 2026-05-19
 ### Changes
 * :sparkles: add webhook info to model searches
diff --git a/lib/mindee/version.rb b/lib/mindee/version.rb
index 5066116c..6855ec6b 100644
--- a/lib/mindee/version.rb
+++ b/lib/mindee/version.rb
@@ -3,7 +3,7 @@
 # Mindee
 module Mindee
   # Current version.
-  VERSION = '5.2.0'
+  VERSION = '5.2.1'
 
   # Finds and return the current platform.
   # @return [Symbol, Hash[String | Symbol, Regexp], Nil?]