diff --git a/modules/nf-core/custom/picard/markduplicates/main.nf b/modules/nf-core/custom/picard/markduplicates/main.nf
index d7b3567308c8bf1286312fb2f2681d546754321f..3eb2459e8b1dc7fa571dcf46f9a8882ac4ab1388 100644
--- a/modules/nf-core/custom/picard/markduplicates/main.nf
+++ b/modules/nf-core/custom/picard/markduplicates/main.nf
@@ -1,6 +1,6 @@
 process PICARD_MARKDUPLICATES {
     tag "$meta.id"
-    label 'process_medium'
+    label 'process_high'
 
     conda "bioconda::picard=3.0.0"
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?