diff --git a/biopet/biopet.wdl b/biopet/biopet.wdl
index 881a84fbe23f6c285ad45062e7293a4f49d2c34f..da3965aa5e779d9c426dcf5c51a0cacd01aff394 100644
--- a/biopet/biopet.wdl
+++ b/biopet/biopet.wdl
@@ -12,7 +12,7 @@ task BaseCounter {
         String prefix
 
         Int memory = 4
-        Float memoryMultiplier = 3.0
+        Float memoryMultiplier = 3.5
     }
 
     String toolCommand = if defined(toolJar)