diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1d99ee..575ab03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+## v0.4.1 - 2024-01-04
+### Added
+- Fix to prevent exception when Delivery Report string is null pointer
+
 ## v0.4.0 - 2023-12-18
 ### Added
 - Call `rd_kafka_poll` automatically in `Kafka::Producer`
diff --git a/shard.yml b/shard.yml
index 98b2ff0..c577642 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: crafka
-version: 0.4.0
+version: 0.4.1
 
 crystal: 1.10.1