diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46e46aefb99d831a0190e06756c2307ff3a81f1b..2cb56a95ec2f4d4750d7065e38e2c76ed54becaa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+### Version 1.23.5
+* improved self chat
+
 ### Version 1.23.4
 * keep screen on while playing audio
 * send delivery receipts after MAM catch-up
diff --git a/build.gradle b/build.gradle
index d4a12239f327aef34875b7b9ae5eb630ebe23b9e..c320adbd3a240dba6fe144a6a379ecc38f96392b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -69,7 +69,7 @@ android {
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 25
-        versionCode 251
+        versionCode 252
         versionName "1.23.5"
         archivesBaseName += "-$versionName"
         applicationId "eu.siacs.conversations"