diff --git a/build.gradle b/build.gradle
index 55708fa9c0559356ea4c963871a1f1d79f5089bd..12b601caf5a809932a720a238e250c9170080a66 100644
--- a/build.gradle
+++ b/build.gradle
@@ -95,8 +95,8 @@ android {
     defaultConfig {
         minSdkVersion 16
         targetSdkVersion 29
-        versionCode 399
-        versionName "2.9.1-beta"
+        versionCode 401
+        versionName "2.9.1"
         archivesBaseName += "-$versionName"
         applicationId "eu.siacs.conversations"
         resValue "string", "applicationId", applicationId
diff --git a/fastlane/metadata/android/en-US/changelogs/401.txt b/fastlane/metadata/android/en-US/changelogs/401.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0fba861d3d76da76a27216afc7277fa6b158746a
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/401.txt
@@ -0,0 +1,3 @@
+* fixed search on Android <= 5
+* optimize memory consumption
+