diff --git a/src/api/project-showcase-post/project-showcase-post.service.ts b/src/api/project-showcase-post/project-showcase-post.service.ts
index 992c2bd..8620360 100644
--- a/src/api/project-showcase-post/project-showcase-post.service.ts
+++ b/src/api/project-showcase-post/project-showcase-post.service.ts
@@ -528,6 +528,7 @@ export class ProjectShowcasePostService {
     switch (field) {
       case 'title':
       case 'status':
+      case 'publishedAt':
       case 'createdAt':
       case 'updatedAt':
         return [{ [field]: normalizedDirection }];