diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5dd76a8..499866ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 ###Changelog
 
+####Version 1.15.3
+* show offline contacts in MUC as grayed-out
+* don't transcode gifs. add overlay indication to gifs
+* bug fixes
+
 ####Version 1.15.2
 * bug fixes
 
diff --git a/build.gradle b/build.gradle
index 04cac247..3bc46c49 100644
--- a/build.gradle
+++ b/build.gradle
@@ -55,8 +55,8 @@ android {
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 25
-        versionCode 188
-        versionName "1.15.2"
+        versionCode 189
+        versionName "1.15.3"
         archivesBaseName += "-$versionName"
         applicationId "eu.siacs.conversations"
     }