diff --git a/fastqc.wdl b/fastqc.wdl
index 4d10147cc8cbbc404a095be85603322452a384ee..7e693f67c248ac713397d0b1a54377c55a818db0 100644
--- a/fastqc.wdl
+++ b/fastqc.wdl
@@ -38,7 +38,7 @@ task Fastqc {
         String? dir
 
         Int threads = 1
-        String memory = "4G"
+        String memory = "1G"
         String dockerImage = "quay.io/biocontainers/fastqc:0.11.9--0"
         Array[File]? NoneArray
         File? NoneFile
@@ -80,10 +80,12 @@ task Fastqc {
         Array[File]? images = if extract then glob(reportDir + "/Images/*.png") else NoneArray
     }
 
+    Int estimatedRuntime = 1 + ceil(size(seqFile, "G")) * 4
     runtime {
         cpu: threads
         memory: memory
         docker: dockerImage
+        runtime_minutes: estimatedRuntime
     }
 
     parameter_meta {