diff --git a/src/releaseNotesBuilder.ts b/src/releaseNotesBuilder.ts
index cda1714..0bcf454 100644
--- a/src/releaseNotesBuilder.ts
+++ b/src/releaseNotesBuilder.ts
@@ -79,6 +79,7 @@ export class ReleaseNotesBuilder {
       return null
     }
     this.fromTag = previousTag
+    core.setOutput('fromTag', previousTag)
     core.debug(`fromTag resolved via previousTag as: ${previousTag}`)
     core.endGroup()