diff --git a/modules/nf-neuro/registration/synthregistration/tests/nextflow.config b/modules/nf-neuro/registration/synthregistration/tests/nextflow.config
index 84f8cf6..c5272e2 100644
--- a/modules/nf-neuro/registration/synthregistration/tests/nextflow.config
+++ b/modules/nf-neuro/registration/synthregistration/tests/nextflow.config
@@ -1,5 +1,5 @@
 process {
-    memory = "20G"
+    memory = "24G"
     withName: "REGISTRATION_SYNTHREGISTRATION" {
         publishDir = { "${params.outdir}/${task.process.tokenize(':')[-1].tokenize('_')[0].toLowerCase()}" }
         ext.affine = "affine"