diff --git a/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php b/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php
index 88de04f2a..58b862aac 100644
--- a/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php
+++ b/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php
@@ -63,7 +63,7 @@ class rcube_sieve_engine
         1 => 'notifyimportancehigh'
     );
 
-    const VERSION  = '8.8';
+    const VERSION  = '8.9';
     const PROGNAME = 'Roundcube (Managesieve)';
     const PORT     = 4190;