diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9bf2898c..46e46aefb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+### Version 1.23.4
+* keep screen on while playing audio
+* send delivery receipts after MAM catch-up
+* reduce number of wake locks
+
 ### Version 1.23.3
 * Fixed OMEMO device list not being announced
 
diff --git a/build.gradle b/build.gradle
index b8cc47e38..a6da165d3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -69,8 +69,8 @@ android {
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 25
-        versionCode 247
-        versionName "1.23.3"
+        versionCode 251
+        versionName "1.23.4"
         archivesBaseName += "-$versionName"
         applicationId "eu.siacs.conversations"
     }