diff --git a/tools/sbom/sbom_data.py b/tools/sbom/sbom_data.py
index d2ef48d..14c4eb2 100644
--- a/tools/sbom/sbom_data.py
+++ b/tools/sbom/sbom_data.py
@@ -80,6 +80,7 @@
   DESCRIBES = 'DESCRIBES'
   VARIANT_OF = 'VARIANT_OF'
   GENERATED_FROM = 'GENERATED_FROM'
+  CONTAINS = 'CONTAINS'
 
 
 @dataclass