diff --git a/plugins/tech-radar/api-report.md b/plugins/tech-radar/api-report.md
index 2836e04461..3b84990d85 100644
--- a/plugins/tech-radar/api-report.md
+++ b/plugins/tech-radar/api-report.md
@@ -26,7 +26,7 @@ export interface RadarEntry {
   timeline: Array<RadarEntrySnapshot>;
   title: string;
   // @deprecated
-  url: string;
+  url?: string;
 }
 
 // @public
diff --git a/plugins/tech-radar/src/api.ts b/plugins/tech-radar/src/api.ts
index bf90cf0750..c0b8fb8852 100644
--- a/plugins/tech-radar/src/api.ts
+++ b/plugins/tech-radar/src/api.ts
@@ -136,7 +136,7 @@ export interface RadarEntry {
    *
    * @deprecated Use {@link RadarEntry.links} instead
    */
-  url: string;
+  url?: string;
   /**
    * History of the Entry moving through {@link RadarRing}
    */