diff --git a/hmftools.wdl b/hmftools.wdl
index 32bc24fd8025eee593c687eee1859ad73a4fc181..a59b38975bb2fbf8338d1a15c338301158fbe39a 100644
--- a/hmftools.wdl
+++ b/hmftools.wdl
@@ -114,7 +114,7 @@ task Cobalt {
         Int threads = 1
         String memory = "5G"
         String javaXmx = "4G"
-        Int timeMinutes = 240
+        Int timeMinutes = 480
         String dockerImage = "quay.io/biocontainers/hmftools-cobalt:1.11--0"
     }