diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61fe4bd9..3ec4f290 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Change log
 
-## Current version
+## 0.3.4
 
 * Preliminary experimental Game Boy support.
 
diff --git a/README.md b/README.md
index 79357d04..4078a206 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 A middle-level programming language targeting 6502-based, 8080-based and Z80-based microcomputers. 
 
 For binary releases, see: https://github.com/KarolS/millfork/releases
-(latest: 0.3.2).  
+(latest: 0.3.4).  
 For build instructions, see [Build instructions](./COMPILING.md).
 
 ## Features
diff --git a/build.sbt b/build.sbt
index 3b5cd368..4d0e06d6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 name := "millfork"
 
-version := "0.3.3-SNAPSHOT"
+version := "0.3.4"
 
 scalaVersion := "2.12.8"