diff --git a/bcftools.wdl b/bcftools.wdl
index 88d97cd09465fee1384edc6b498504bbd2adf917..589cddeadfa22b6c6f852f674caa6a265f5b8f12 100644
--- a/bcftools.wdl
+++ b/bcftools.wdl
@@ -187,7 +187,7 @@ task Sort {
         String tmpDir = "./sorting-tmp"
 
         String memory = "256M"
-        Int timeMinutes = 1 + ceil(size(inputFile, "G"))
+        Int timeMinutes = 1 + ceil(size(inputFile, "G")) * 5
         String dockerImage = "quay.io/biocontainers/bcftools:1.10.2--h4f4756c_2"
     }