diff --git a/gradle.properties b/gradle.properties
index c980a9f..e892bb1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ kotlin.code.style=official
 specifyKotlinAsDependency=false
 
 projectGroup=ru.dbotthepony.kommons
-projectVersion=2.9.16
+projectVersion=2.9.17
 
 guavaDepVersion=33.0.0
 gsonDepVersion=2.8.9
diff --git a/src/main/kotlin/ru/dbotthepony/kommons/io/OutputStreamUtils.kt b/src/main/kotlin/ru/dbotthepony/kommons/io/OutputStreamUtils.kt
index 5b4e5b5..cd07670 100644
--- a/src/main/kotlin/ru/dbotthepony/kommons/io/OutputStreamUtils.kt
+++ b/src/main/kotlin/ru/dbotthepony/kommons/io/OutputStreamUtils.kt
@@ -316,6 +316,12 @@ fun OutputStream.writeByteArray(value: ByteArray) {
 	write(value)
 }
 
+fun OutputStream.writeByteArray(value: ByteArray, offset: Int, length: Int) {
+	Objects.checkFromIndexSize(offset, value.size, length)
+	writeVarInt(length)
+	write(value, offset, length)
+}
+
 fun OutputStream.writeByteKey(key: ByteKey) {
 	key.write(this)
 }