diff --git a/cmd/csaf_aggregator/indices.go b/cmd/csaf_aggregator/indices.go
index 34adcba..0556b58 100644
--- a/cmd/csaf_aggregator/indices.go
+++ b/cmd/csaf_aggregator/indices.go
@@ -191,6 +191,10 @@ func (w *worker) writeROLIE(label string, summaries []summary) error {
 				Rel:  "rel",
 				HRef: feedURL,
 			}},
+			Category: []csaf.ROLIECategory{{
+				Scheme: "urn:ietf:params:rolie:category:information-type",
+				Term:   "csaf",
+			}},
 			Updated: csaf.TimeStamp(time.Now()),
 			Entry:   entries,
 		},
diff --git a/cmd/csaf_provider/actions.go b/cmd/csaf_provider/actions.go
index b6a6436..996deb9 100644
--- a/cmd/csaf_provider/actions.go
+++ b/cmd/csaf_provider/actions.go
@@ -227,6 +227,10 @@ func (c *controller) upload(r *http.Request) (interface{}, error) {
 							Rel:  "rel",
 							HRef: string(feedURL),
 						}},
+						Category: []csaf.ROLIECategory{{
+							Scheme: "urn:ietf:params:rolie:category:information-type",
+							Term:   "csaf",
+						}},
 					},
 				}
 			}