diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2cb56a95ec2f4d4750d7065e38e2c76ed54becaa..cb7b437f3748e17ce41e46d2992986cfd0e87696 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+### Version 1.23.6
+* Fixed crash on receiving invalid HTTP slot response
+
 ### Version 1.23.5
 * improved self chat
 
diff --git a/build.gradle b/build.gradle
index 9feda02903f0c1d547fcdf37c3e39b766162098d..6bbc08487d5d2787cc2bd0d8e8947dee86f1736a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -68,8 +68,8 @@ android {
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 25
-        versionCode 252
-        versionName "1.23.5"
+        versionCode 253
+        versionName "1.23.6"
         archivesBaseName += "-$versionName"
         applicationId "eu.siacs.conversations"
     }