diff --git a/delly.wdl b/delly.wdl
index 2fc63cda80a8ec9d8310abfe1cd6d29f02f2f104..e00990645b8120a8a74f3d3b6743f466ae6b392c 100644
--- a/delly.wdl
+++ b/delly.wdl
@@ -25,6 +25,7 @@ task CallSV {
     
     runtime {
         docker: "quay.io/biocontainers/delly:0.8.1--h4037b6b_1"
+        memory: "5G"
     }
 
 }