diff --git a/conf/munin.config b/conf/munin.config
index 6b854fb..4f9c209 100644
--- a/conf/munin.config
+++ b/conf/munin.config
@@ -18,6 +18,12 @@ params {
 process {
   executor = 'local'
   maxForks = 46
+
+// Limit cpus for Mutect2
+  withName:'Mutect2|Mutect2Single' {
+    time = {48.h * task.attempt}
+    maxForks = 23
+  }
 }
 
 singularity {