diff --git a/macs2.wdl b/macs2.wdl
index cbce18e99aa94185ae47b2f0b3b12f8f0a629d39..983630c58e42880ba57fd6f6e62cf14ee9672f39 100644
--- a/macs2.wdl
+++ b/macs2.wdl
@@ -29,7 +29,7 @@ task PeakCalling {
         String outDir = "macs2"
         String sampleName
         Boolean nomodel = false
-
+        Int timeMinutes = 600  # Default to 10 hours
         String memory = "8G"
         String dockerImage = "quay.io/biocontainers/macs2:2.1.2--py27r351_0"
     }
@@ -52,6 +52,7 @@ task PeakCalling {
         cpu: 1
         memory: memory
         docker: dockerImage
+        time_minutes: timeMinutes
     }
     parameter_meta {
         inputBams: {description: "The BAM files on which to perform peak calling.", category: "required"}