diff --git a/schemas/materials/compilation.schema.yaml b/schemas/materials/compilation.schema.yaml
index 29c488531..569feb21e 100644
--- a/schemas/materials/compilation.schema.yaml
+++ b/schemas/materials/compilation.schema.yaml
@@ -71,6 +71,7 @@ properties:
       $ref: "schema:ethdebug/format/materials/source"
 
 required:
+  - id
   - compiler
   - sources