diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0121ad9..913ad11 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## 1.3.1
 
+* `Kotlin`: `1.9.21`
+
 ## 1.3.0
 
 **THIS UPDATE CONTAINS CHANGES OF LOG LEVELS ACCORDANCES. LOOK AT THE LEVELS ACCORDANCE IN THE [DOCUMENTATION](https://docs.inmo.dev/kslog/logging.html#logging)
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index fd5bf12..e87cc3b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 
-kotlin = "1.9.20"
+kotlin = "1.9.21"
 kotlin-gradle-plugin = "8.1.4"
 
 versions = "0.50.0"