diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1943f2e67..7dad39f739 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+1.4.0 / 2022-08-18
+==================
+
+This release contains all features and bugfixes from 1.4.0-RC plus some bugfixes on its own (see below).
+Kotlin 1.7.10 is used as a default.
+
+### Bugfixes
+  * Fixed decoding of huge JSON data for okio streams (#2006)
+
+
 1.4.0-RC / 2022-07-20
 ==================
 
diff --git a/README.md b/README.md
index 0887845c0a..e0461a97aa 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![GitHub license](https://img.shields.io/badge/license-Apache%20License%202.0-blue.svg?style=flat)](http://www.apache.org/licenses/LICENSE-2.0)
 [![TeamCity build](https://img.shields.io/teamcity/http/teamcity.jetbrains.com/s/KotlinTools_KotlinxSerialization_Ko.svg)](https://teamcity.jetbrains.com/viewType.html?buildTypeId=KotlinTools_KotlinxSerialization_Ko&guest=1)
 [![Kotlin](https://img.shields.io/badge/kotlin-1.7.10-blue.svg?logo=kotlin)](http://kotlinlang.org)
-[![Maven Central](https://img.shields.io/maven-central/v/org.jetbrains.kotlinx/kotlinx-serialization-core/1.4.0-RC)](https://search.maven.org/artifact/org.jetbrains.kotlinx/kotlinx-serialization-core/1.4.0-RC/pom)
+[![Maven Central](https://img.shields.io/maven-central/v/org.jetbrains.kotlinx/kotlinx-serialization-core/1.4.0)](https://search.maven.org/artifact/org.jetbrains.kotlinx/kotlinx-serialization-core/1.4.0/pom)
 [![KDoc link](https://img.shields.io/badge/API_reference-KDoc-blue)](https://kotlinlang.org/api/kotlinx.serialization/)
 [![Slack channel](https://img.shields.io/badge/chat-slack-blue.svg?logo=slack)](https://kotlinlang.slack.com/messages/serialization/)
 
@@ -156,7 +156,7 @@ repositories {
 }
 
 dependencies {
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0-RC")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0")
 }
 ```
 
@@ -168,7 +168,7 @@ repositories {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0-RC"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.4.0"
 }
 ```
 
@@ -287,7 +287,7 @@ Ensure the proper version of Kotlin and serialization version:
 ```xml
 <properties>
     <kotlin.version>1.7.10</kotlin.version>
-    <serialization.version>1.4.0-RC</serialization.version>
+    <serialization.version>1.4.0</serialization.version>
 </properties>
 ```
 
diff --git a/gradle.properties b/gradle.properties
index 926fe23164..c4888992cd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,12 +3,12 @@
 #
 
 group=org.jetbrains.kotlinx
-version=1.4.0-SNAPSHOT
+version=1.4.1-SNAPSHOT
 
 kotlin.version=1.7.10
 
 # This version take precedence if 'bootstrap' property passed to project
-kotlin.version.snapshot=1.7.255-SNAPSHOT
+kotlin.version.snapshot=1.8.255-SNAPSHOT
 # Also set KONAN_LOCAL_DIST environment variable in bootstrap mode to auto-assign konan.home
 
 junit_version=4.12
diff --git a/integration-test/gradle.properties b/integration-test/gradle.properties
index 5ec861cf5d..45b66b4b09 100644
--- a/integration-test/gradle.properties
+++ b/integration-test/gradle.properties
@@ -3,7 +3,7 @@
 #
 
 mainKotlinVersion=1.7.10
-mainLibVersion=1.4.0-SNAPSHOT
+mainLibVersion=1.4.1-SNAPSHOT
 
 kotlin.code.style=official
 kotlin.js.compiler=both