diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76a4d02fab8..b9eb10bffc7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## 0.4.18
 
+* `Serialization`
+    * `Base 64`
+        * New `Base64ByteArraySerializer` has been added
+
 ## 0.4.17
 
 * `Common`
diff --git a/serialization/base64/src/commonMain/kotlin/dev/inmo/micro_utils/serialization/base64/Base64Serializer.kt b/serialization/base64/src/commonMain/kotlin/dev/inmo/micro_utils/serialization/base64/Base64Serializer.kt
index 29e9db330b8..1a623699599 100644
--- a/serialization/base64/src/commonMain/kotlin/dev/inmo/micro_utils/serialization/base64/Base64Serializer.kt
+++ b/serialization/base64/src/commonMain/kotlin/dev/inmo/micro_utils/serialization/base64/Base64Serializer.kt
@@ -18,3 +18,4 @@ open class Base64Serializer<T>(
 }
 
 object Base64StringSerializer : Base64Serializer<String>({ it }, { it })
+object Base64ByteArraySerializer : Base64Serializer<ByteArray>({ it.decodeToString() }, { it.encodeToByteArray() })