diff --git a/CHANGELOG.md b/CHANGELOG.md
index 744c6567..16c45754 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # gradle-pitest-plugin changelog
 
-## 1.15.0 - Unreleased
+## 1.15.0 - 2023-09-28
 
  - Automatically add `junit-platform-launcher` dependency to `testRuntimeOnly` for JUnit Platform projects - [#337](https://github.com/szpak/gradle-pitest-plugin/issues/337) - help from [Björn Kautler](https://github.com/Vampire)
  - Remove deprecated `Project.getConvention()` usage (in Gradle 8.2+) - [#343](https://github.com/szpak/gradle-pitest-plugin/issues/343)
diff --git a/README.md b/README.md
index c691c8e6..3e2e7939 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Add gradle-pitest-plugin to the `plugins` configuration in your `build.gradle` f
 ```groovy
 plugins {
     id 'java' //or 'java-library' - depending on your needs
-    id 'info.solidsoft.pitest' version '1.9.11'
+    id 'info.solidsoft.pitest' version '1.15.0'
 }
 ```
 
@@ -48,7 +48,7 @@ buildscript {
         //maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }
     }
     dependencies {
-        classpath 'info.solidsoft.gradle.pitest:gradle-pitest-plugin:1.9.11'
+        classpath 'info.solidsoft.gradle.pitest:gradle-pitest-plugin:1.15.0'
     }
 }
 ```
@@ -69,7 +69,7 @@ The Pitest plugin does not need to be additionally configured if you use JUnit 4
 ```groovy
 pitest {
     targetClasses = ['our.base.package.*']  //by default "${project.group}.*"
-    pitestVersion = '1.9.11' //not needed when a default PIT version should be used
+    pitestVersion = '1.15.0' //not needed when a default PIT version should be used
     threads = 4
     outputFormats = ['XML', 'HTML']
     timestampedReports = false
@@ -150,7 +150,7 @@ all subprojects which should be processed with PIT. A sample snippet from build.
 ```groovy
 //in root project configuration
 plugins {
-    id 'info.solidsoft.pitest' version '1.9.11' apply false
+    id 'info.solidsoft.pitest' version '1.15.0' apply false
 }
 
 subprojects {
@@ -173,7 +173,7 @@ task `pitestReportAggregate`. Root project must be properly configured to use `p
 ```groovy
 //in root project configuration
 plugins {
-    id 'info.solidsoft.pitest' version '1.9.11' apply false
+    id 'info.solidsoft.pitest' version '1.15.0' apply false
 }
 
 apply plugin: 'info.solidsoft.pitest.aggregator' // to 'pitestReportAggregate' appear
@@ -252,7 +252,7 @@ Starting with this release the configuration required to use PIT with JUnit 5 ha
 ```groovy
 plugins {
     id 'java'
-    id 'info.solidsoft.pitest' version '1.9.11'
+    id 'info.solidsoft.pitest' version '1.15.0'
 }
 
 pitest {
@@ -275,7 +275,7 @@ To enable PIT plugins, it is enough to add it to the pitest configuration in the
 ```groovy
 plugins {
     id 'java'
-    id 'info.solidsoft.pitest' version '1.9.11'
+    id 'info.solidsoft.pitest' version '1.15.0'
 }
 
 repositories {