diff --git a/templates/galaxy/config/tpv_rules_meta.yml.j2 b/templates/galaxy/config/tpv_rules_meta.yml.j2
index 6ed18b2..2359fef 100644
--- a/templates/galaxy/config/tpv_rules_meta.yml.j2
+++ b/templates/galaxy/config/tpv_rules_meta.yml.j2
@@ -62,6 +62,13 @@ tools:
         cores: int(job.get_param_values(app)['__job_resource']['cores'])
         context:
            walltime: "{int(job.get_param_values(app)['__job_resource']['time'])}"
+# DEMON: the highmem is not needed in all cases -> need to figure out how to check if needed mem is over 180 GB
+  toolshed.g2.bx.psu.edu/repos/iuc/kraken2/kraken2/.*:
+      context:
+        queue: elixircz
+      scheduling:
+        require:
+          - highmem
   toolshed.g2.bx.psu.edu/repos/iuc/bedtools/bedtools_annotatebed/.*:
     context:
       walltime: 48