diff --git a/CHANGELOG.md b/CHANGELOG.md
index a62858a0f..95d8843b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,11 @@
 ## [Unreleased]
 
 
+## [0.3.0] - 2023-01-17
+
+ - Support Kotlin 1.8.0 via Compose compiler 1.4.0.
+
+
 ## [0.2.0] - 2022-08-12
 
  - Support Kotlin 1.7.10 via Compose compiler 1.3.0.
@@ -14,6 +19,7 @@
 Initial release!
 
 
-[Unreleased]: https://github.com/JakeWharton/mosaic/compare/0.2.0...HEAD
+[Unreleased]: https://github.com/JakeWharton/mosaic/compare/0.3.0...HEAD
+[0.3.0]: https://github.com/JakeWharton/mosaic/releases/tag/0.3.0
 [0.2.0]: https://github.com/JakeWharton/mosaic/releases/tag/0.2.0
 [0.1.0]: https://github.com/JakeWharton/mosaic/releases/tag/0.1.0
diff --git a/README.md b/README.md
index ea96c5961..0bf7af31f 100644
--- a/README.md
+++ b/README.md
@@ -92,8 +92,8 @@ buildscript {
     mavenCentral()
   }
   dependencies {
-    classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.10'
-    classpath 'com.jakewharton.mosaic:mosaic-gradle-plugin:0.2.0'
+    classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.0'
+    classpath 'com.jakewharton.mosaic:mosaic-gradle-plugin:0.3.0'
   }
 }
 
@@ -113,8 +113,9 @@ certain versions of Kotlin.
 
 | Kotlin | Mosaic             |
 |--------|--------------------|
-| 1.5.10 | 0.1.0              |
+| 1.8.10 | 0.3.0              |
 | 1.7.10 | 0.2.0              |
+| 1.5.10 | 0.1.0              |
 
 Versions newer than those listed may be supported but are untested.
 
@@ -131,8 +132,8 @@ buildscript {
     }
   }
   dependencies {
-    classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.10'
-    classpath 'com.jakewharton.mosaic:mosaic-gradle-plugin:0.3.0-SNAPSHOT'
+    classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.0'
+    classpath 'com.jakewharton.mosaic:mosaic-gradle-plugin:0.4.0-SNAPSHOT'
   }
 }
 
diff --git a/gradle.properties b/gradle.properties
index 0fed4840f..946a05e5b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 GROUP=com.jakewharton.mosaic
-VERSION_NAME=0.3.0-SNAPSHOT
+VERSION_NAME=0.3.0
 
 POM_DESCRIPTION=Jetpack Compose for console UI