diff --git a/packages/api/src/elastic/types.ts b/packages/api/src/elastic/types.ts
index 99dc06890..9381ca5cf 100644
--- a/packages/api/src/elastic/types.ts
+++ b/packages/api/src/elastic/types.ts
@@ -167,7 +167,7 @@ export interface Highlight {
   suffix?: string | null
   annotation?: string | null
   sharedAt?: Date | null
-  updatedAt?: Date
+  updatedAt: Date
   labels?: Label[]
 }
 
diff --git a/packages/api/test/elastic/index.test.ts b/packages/api/test/elastic/index.test.ts
index 9c6d90966..7d7dc556d 100644
--- a/packages/api/test/elastic/index.test.ts
+++ b/packages/api/test/elastic/index.test.ts
@@ -236,6 +236,7 @@ describe('elastic api', () => {
         id: highlightId,
         userId: page.userId,
         createdAt: new Date(),
+        updatedAt: new Date(),
       }
 
       await addHighlightToPage(page.id, highlightData, ctx)
@@ -288,6 +289,7 @@ describe('elastic api', () => {
         id: highlightId,
         userId: page.userId,
         createdAt: new Date(),
+        updatedAt: new Date(),
       }
 
       await addHighlightToPage(page.id, highlightData, ctx)
diff --git a/packages/api/test/resolvers/article.test.ts b/packages/api/test/resolvers/article.test.ts
index 7de96be4a..df6fb7222 100644
--- a/packages/api/test/resolvers/article.test.ts
+++ b/packages/api/test/resolvers/article.test.ts
@@ -460,6 +460,7 @@ describe('Article API', () => {
             createdAt: new Date(),
             patch: 'test patch',
             quote: 'test quote',
+            updatedAt: new Date(),
           },
         ],
       } as Page
diff --git a/packages/api/test/resolvers/labels.test.ts b/packages/api/test/resolvers/labels.test.ts
index a014ac8a4..f1252e04b 100644
--- a/packages/api/test/resolvers/labels.test.ts
+++ b/packages/api/test/resolvers/labels.test.ts
@@ -271,6 +271,7 @@ describe('Labels API', () => {
             userId: user.id,
             createdAt: new Date(),
             labels: [toDeleteLabel],
+            updatedAt: new Date(),
           }
           await addHighlightToPage(page.id, highlight, ctx)
         })
@@ -527,6 +528,7 @@ describe('Labels API', () => {
           quote: 'test quote',
           shortId: 'test shortId',
           userId: user.id,
+          updatedAt: new Date(),
         }
         await addHighlightToPage(page.id, highlight, ctx)
         labelIds = [labels[0].id, labels[1].id]
@@ -550,6 +552,7 @@ describe('Labels API', () => {
           quote: 'test quote',
           shortId: 'test shortId',
           userId: user.id,
+          updatedAt: new Date(),
         }
         await addHighlightToPage(page.id, highlight, ctx)
         labelIds = [generateFakeUuid(), generateFakeUuid()]