diff --git a/gridss.wdl b/gridss.wdl
index b43a3837b359df812ef67286646e8842250c6cc2..7d6a1ebf028cba0b7e713f8dfb5cb997a856da51 100644
--- a/gridss.wdl
+++ b/gridss.wdl
@@ -93,10 +93,10 @@ task GRIDSS {
         File? blacklistBed
         File? gridssProperties
 
-        Int jvmHeapSizeGb = 200
+        Int jvmHeapSizeGb = 300
         Int nonJvmMemoryGb = 50
         Int threads = 4
-        Int timeMinutes = ceil(7200 / threads) + 180
+        Int timeMinutes = ceil(7200 / threads) + 1800
         String dockerImage = "quay.io/biowdl/gridss:2.12.2"
     }