diff --git a/conf/shh.config b/conf/shh.config
index e0c7116..a4d9982 100644
--- a/conf/shh.config
+++ b/conf/shh.config
@@ -25,7 +25,7 @@ process {
 }
 
 executor {
-    queueSize = 16
+    queueSize = 8
 }
 
 profiles {