diff --git a/plugins/octopus-deploy/api-report.md b/plugins/octopus-deploy/api-report.md
index 55b44a0ce9..53c92403bd 100644
--- a/plugins/octopus-deploy/api-report.md
+++ b/plugins/octopus-deploy/api-report.md
@@ -26,8 +26,7 @@ export const OCTOPUS_DEPLOY_PROJECT_ID_ANNOTATION = 'octopus.com/project-id';
 export interface OctopusDeployApi {
   // (undocumented)
   getReleaseProgression(opts: {
-    projectId: string;
-    spaceId?: string;
+    projectReference: ProjectReference;
     releaseHistoryCount: number;
   }): Promise<OctopusProgression>;
 }
@@ -44,8 +43,7 @@ export class OctopusDeployClient implements OctopusDeployApi {
   });
   // (undocumented)
   getReleaseProgression(opts: {
-    projectId: string;
-    spaceId?: string;
+    projectReference: ProjectReference;
     releaseHistoryCount: number;
   }): Promise<OctopusProgression>;
 }
@@ -84,5 +82,11 @@ export type OctopusReleaseProgression = {
   };
 };
 
+// @public (undocumented)
+export type ProjectReference = {
+  projectId: string;
+  spaceId?: string;
+};
+
 // (No @packageDocumentation comment for this package)
 ```
diff --git a/plugins/octopus-deploy/src/index.ts b/plugins/octopus-deploy/src/index.ts
index e3264efaf0..2b39431606 100644
--- a/plugins/octopus-deploy/src/index.ts
+++ b/plugins/octopus-deploy/src/index.ts
@@ -21,4 +21,6 @@ export {
 
 export * from './api';
 
+export type { ProjectReference } from './utils/getAnnotationFromEntity';
+
 export { OCTOPUS_DEPLOY_PROJECT_ID_ANNOTATION } from './constants';