diff --git a/src/agat/agat_sp_merge_annotations/config.vsh.yaml b/src/agat/agat_sp_merge_annotations/config.vsh.yaml
index a40d1d27..dc876820 100644
--- a/src/agat/agat_sp_merge_annotations/config.vsh.yaml
+++ b/src/agat/agat_sp_merge_annotations/config.vsh.yaml
@@ -13,6 +13,8 @@ links:
 references: 
   doi: 10.5281/zenodo.3552717
 license: GPL-3.0
+requirements:
+  commands: [agat]
 authors:
   - __merge__: /src/_authors/leila_paquay.yaml
     roles: [ author, maintainer ]