diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 67c6220..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-language: java
-install: true
-
-os: linux
-dist: trusty
-jdk: oraclejdk8
-
-script:
-  - ./gradlew build allTests -s
-
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 537ed64..6f6e87f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## 0.4.0-rc2
 
+* `Kotlin`: `1.4.21` -> `1.4.30`
+* `Serialization`: `1.0.1` -> `1.1.0-RC`
+
 ## 0.4.0-rc
 
 **ALL PROJECT HAS MIGRATED FROM PACKAGE `com.insanusmokrassar` TO `dev.inmo`**
diff --git a/gradle.properties b/gradle.properties
index bca076c..fc86eec 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,8 +1,9 @@
 kotlin.code.style=official
 org.gradle.parallel=true
 kotlin.incremental.multiplatform=true
-kotlin_version=1.4.21
-kotlin_serialisation_runtime_version=1.0.1
+
+kotlin_version=1.4.30
+kotlin_serialisation_runtime_version=1.1.0-RC
 klassindex_version=4.1.0-rc.1
 
 github_release_plugin_version=2.2.12