diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1bf7ab8ace..09e646337a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # TelegramBotAPI changelog
 
+## 4.2.1
+
 ## 4.2.0
 
 * `Versions`:
diff --git a/gradle.properties b/gradle.properties
index 185be80f68..21733ff3fb 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,4 +6,4 @@ kotlin.incremental=true
 kotlin.incremental.js=true
 
 library_group=dev.inmo
-library_version=4.2.0
+library_version=4.2.1