diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a5666f..475e525 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,14 @@
 Changelog
 =========
 
+## Version 0.4.0
+_2019-12-22_
+* Add support for .opus files
+* Fix HTTP support
+* Fix infinite loop when playing contains only invalid files
+* Overhaul themes
+* Replace raster images with vector images
+
 ## Version 0.3.3
 _2019-03-17_
 * Fix [Funkwhale](https://funkwhale.audio/) (Subsonic API) support
diff --git a/app/build.gradle b/app/build.gradle
index b87694a..a58fdb9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,8 +9,8 @@ android {
         applicationId "net.nullsum.audinaut"
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 198
-        versionName '0.3.3'
+        versionCode 199
+        versionName '0.4.0'
         setProperty("archivesBaseName", "Audinaut $versionName")
     }