diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fe238334..4fbbaf833 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ###Changelog
 
+####Version 1.5.1
+* fixed rare crashes
+* improved otr support
+
 ####Version 1.5.0
 * upload files to HTTP host and share them in MUCs. requires new [HttpUploadComponent](https://github.com/siacs/HttpUploadComponent) on server side
 
diff --git a/build.gradle b/build.gradle
index bfd2d6285..b83c05fa9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -48,8 +48,8 @@ android {
 	defaultConfig {
 		minSdkVersion 14
 		targetSdkVersion 21
-		versionCode 78
-		versionName "1.5.0"
+		versionCode 79
+		versionName "1.5.1"
 	}
 
 	compileOptions {