diff --git a/conf/crukmi.config b/conf/crukmi.config
index f603c9c90..b80343268 100644
--- a/conf/crukmi.config
+++ b/conf/crukmi.config
@@ -12,7 +12,7 @@ singularity {
 }
 
 process {
-  beforeScript = 'module load apps/singularity/3.8.0'
+  beforeScript = 'module load apps/apptainer/1.0.0'
   executor = 'slurm'
 
   errorStrategy = {task.exitStatus in [143,137,104,134,139,140] ? 'retry' : 'finish'}