diff --git a/nextflow.config b/nextflow.config
index 8b50cb4..4343d40 100644
--- a/nextflow.config
+++ b/nextflow.config
@@ -5,7 +5,8 @@ manifest {
   description = 'Epi2me compatible Nextflow pipeline for processing ARTIC tiling amplicon Illumina sequencing reads from monkeypox virus (MPXV) samples.'
   mainScript = 'main.nf'
   nextflowVersion = '>=20.01.0'
-  version = '1.2.1'
+  version = '1.2.2'
+  defaultBranch = 'main'
 }
 
 epi2melabs {