diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10699ceaa..7ceca1811 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [4.2.1](https://github.com/algolia/algoliasearch-client-java/compare/4.2.0...4.2.1)
+
+- [41f849e41](https://github.com/algolia/api-clients-automation/commit/41f849e41) fix(specs): partial update operation ([#3486](https://github.com/algolia/api-clients-automation/pull/3486)) by [@kai687](https://github.com/kai687/)
+
 ## [4.2.0](https://github.com/algolia/algoliasearch-client-java/compare/4.1.1...4.2.0)
 
 - [23a799f0e](https://github.com/algolia/api-clients-automation/commit/23a799f0e) feat(specs): push source type ([#3600](https://github.com/algolia/api-clients-automation/pull/3600)) by [@shortcuts](https://github.com/shortcuts/)
diff --git a/algoliasearch/src/main/java/com/algolia/BuildConfig.java b/algoliasearch/src/main/java/com/algolia/BuildConfig.java
index 739009d5c..7e23792af 100644
--- a/algoliasearch/src/main/java/com/algolia/BuildConfig.java
+++ b/algoliasearch/src/main/java/com/algolia/BuildConfig.java
@@ -6,5 +6,5 @@ private BuildConfig() {
     // Empty.
   }
 
-  public static final String VERSION = "4.2.0";
+  public static final String VERSION = "4.2.1";
 }
diff --git a/gradle.properties b/gradle.properties
index 735a1e9d6..02dd24bb5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 GROUP=com.algolia
-VERSION_NAME=4.2.0
+VERSION_NAME=4.2.1
 
 SONATYPE_HOST=DEFAULT
 RELEASE_SIGNING_ENABLED=true