diff --git a/umi-tools.wdl b/umi-tools.wdl
index d1842c8a9064e658fec8e777595c702aba19278a..12ef9b4513fc856f94a4dbf7bfda69d903ca43a5 100644
--- a/umi-tools.wdl
+++ b/umi-tools.wdl
@@ -74,6 +74,8 @@ task Dedup {
         String statsPrefix = "stats"
         Boolean paired = true
 
+        String memory = "10G"
+
         # Use a multi-package-container which includes umi_tools (0.5.5) and samtools (1.9)
         String dockerImage = "quay.io/biocontainers/mulled-v2-509311a44630c01d9cb7d2ac5727725f51ea43af:6089936aca6219b5bb5f54210ac5eb456c7503f2-0"
     }
@@ -101,6 +103,7 @@ task Dedup {
 
     runtime {
         docker: dockerImage
+        memory: memory
     }
 
     parameter_meta {