diff --git a/bwa.wdl b/bwa.wdl
index b0b1daf753377237c4d7f333ab6feee57b79b034..655cd28825af6d5c1be235b453fb3d591439ce08 100644
--- a/bwa.wdl
+++ b/bwa.wdl
@@ -9,7 +9,7 @@ task Mem {
         String? readgroup
 
         Int threads = 2
-        String memory = "16G"
+        String memory = "32G"
         String picardXmx = "4G"
         # A mulled container is needed to have both picard and bwa in one container.
         # This container contains: picard (2.18.7), bwa (0.7.17-r1188)