diff --git a/buf.yaml b/buf.yaml
index 4c59d2bc..e4f3db54 100644
--- a/buf.yaml
+++ b/buf.yaml
@@ -8,6 +8,7 @@ build:
     - alerting-config-service-api/src/main/proto
     - notification-rule-config-service-api/src/main/proto
     - notification-channel-config-service-api/src/main/proto
+    - span-processing-config-service-api/src/main/proto
 lint:
   use:
     - DEFAULT