diff --git a/CHANGELOG.md b/CHANGELOG.md
index c8b2a8746..84b3fd773 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+### Version 2.2.6
+* support old MAM version to work with Prosody
+
 ### Version 2.2.5
 * Persist MUC avatar across restarts / show in bookmarks
 * Offer Paste as quote for HTML content
diff --git a/build.gradle b/build.gradle
index 16a28c8fa..8f88917bf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -67,8 +67,8 @@ android {
     defaultConfig {
         minSdkVersion 19
         targetSdkVersion 25
-        versionCode 277
-        versionName "2.2.5"
+        versionCode 278
+        versionName "2.2.6"
         archivesBaseName += "-$versionName"
         applicationId "eu.siacs.conversations"
         resValue "string", "applicationId", applicationId