diff --git a/mobile/openapi/.openapi-generator/FILES b/mobile/openapi/.openapi-generator/FILES
index 4e109c14d..263687549 100644
--- a/mobile/openapi/.openapi-generator/FILES
+++ b/mobile/openapi/.openapi-generator/FILES
@@ -103,6 +103,7 @@ doc/OAuthApi.md
 doc/OAuthAuthorizeResponseDto.md
 doc/OAuthCallbackDto.md
 doc/OAuthConfigDto.md
+doc/OnThisDayDto.md
 doc/PartnerApi.md
 doc/PartnerResponseDto.md
 doc/PathEntityType.md
@@ -318,6 +319,7 @@ lib/model/model_type.dart
 lib/model/o_auth_authorize_response_dto.dart
 lib/model/o_auth_callback_dto.dart
 lib/model/o_auth_config_dto.dart
+lib/model/on_this_day_dto.dart
 lib/model/partner_response_dto.dart
 lib/model/path_entity_type.dart
 lib/model/path_type.dart
@@ -504,6 +506,7 @@ test/o_auth_api_test.dart
 test/o_auth_authorize_response_dto_test.dart
 test/o_auth_callback_dto_test.dart
 test/o_auth_config_dto_test.dart
+test/on_this_day_dto_test.dart
 test/partner_api_test.dart
 test/partner_response_dto_test.dart
 test/path_entity_type_test.dart
diff --git a/mobile/openapi/README.md b/mobile/openapi/README.md
index fede2901c..a64183077 100644
Binary files a/mobile/openapi/README.md and b/mobile/openapi/README.md differ
diff --git a/mobile/openapi/doc/MemoryCreateDto.md b/mobile/openapi/doc/MemoryCreateDto.md
index 5bcbd54f4..e0b0ef5a5 100644
Binary files a/mobile/openapi/doc/MemoryCreateDto.md and b/mobile/openapi/doc/MemoryCreateDto.md differ
diff --git a/mobile/openapi/doc/MemoryResponseDto.md b/mobile/openapi/doc/MemoryResponseDto.md
index ef379be04..59a836311 100644
Binary files a/mobile/openapi/doc/MemoryResponseDto.md and b/mobile/openapi/doc/MemoryResponseDto.md differ
diff --git a/mobile/openapi/doc/OnThisDayDto.md b/mobile/openapi/doc/OnThisDayDto.md
new file mode 100644
index 000000000..178b4482b
Binary files /dev/null and b/mobile/openapi/doc/OnThisDayDto.md differ
diff --git a/mobile/openapi/lib/api.dart b/mobile/openapi/lib/api.dart
index 7d8ab5288..ae458f5de 100644
Binary files a/mobile/openapi/lib/api.dart and b/mobile/openapi/lib/api.dart differ
diff --git a/mobile/openapi/lib/api_client.dart b/mobile/openapi/lib/api_client.dart
index 8784ad641..757f47568 100644
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diff --git a/mobile/openapi/lib/model/memory_create_dto.dart b/mobile/openapi/lib/model/memory_create_dto.dart
index 5d08a631c..c48a07c5f 100644
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diff --git a/mobile/openapi/lib/model/memory_response_dto.dart b/mobile/openapi/lib/model/memory_response_dto.dart
index 918099458..8671e3c64 100644
Binary files a/mobile/openapi/lib/model/memory_response_dto.dart and b/mobile/openapi/lib/model/memory_response_dto.dart differ
diff --git a/mobile/openapi/lib/model/on_this_day_dto.dart b/mobile/openapi/lib/model/on_this_day_dto.dart
new file mode 100644
index 000000000..ef1471dfb
Binary files /dev/null and b/mobile/openapi/lib/model/on_this_day_dto.dart differ
diff --git a/mobile/openapi/test/memory_create_dto_test.dart b/mobile/openapi/test/memory_create_dto_test.dart
index f2909bd46..bfb6f09e1 100644
Binary files a/mobile/openapi/test/memory_create_dto_test.dart and b/mobile/openapi/test/memory_create_dto_test.dart differ
diff --git a/mobile/openapi/test/memory_response_dto_test.dart b/mobile/openapi/test/memory_response_dto_test.dart
index da25bbb6e..90b2e7834 100644
Binary files a/mobile/openapi/test/memory_response_dto_test.dart and b/mobile/openapi/test/memory_response_dto_test.dart differ
diff --git a/mobile/openapi/test/on_this_day_dto_test.dart b/mobile/openapi/test/on_this_day_dto_test.dart
new file mode 100644
index 000000000..71379f8bb
Binary files /dev/null and b/mobile/openapi/test/on_this_day_dto_test.dart differ
diff --git a/open-api/immich-openapi-specs.json b/open-api/immich-openapi-specs.json
index da7bad8f0..70e797f52 100644
--- a/open-api/immich-openapi-specs.json
+++ b/open-api/immich-openapi-specs.json
@@ -8769,7 +8769,7 @@
             "type": "array"
           },
           "data": {
-            "type": "object"
+            "$ref": "#/components/schemas/OnThisDayDto"
           },
           "isSaved": {
             "type": "boolean"
@@ -8829,7 +8829,7 @@
             "type": "string"
           },
           "data": {
-            "type": "object"
+            "$ref": "#/components/schemas/OnThisDayDto"
           },
           "deletedAt": {
             "format": "date-time",
@@ -9110,6 +9110,17 @@
         ],
         "type": "object"
       },
+      "OnThisDayDto": {
+        "properties": {
+          "year": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "year"
+        ],
+        "type": "object"
+      },
       "PartnerResponseDto": {
         "properties": {
           "avatarColor": {
diff --git a/open-api/typescript-sdk/src/fetch-client.ts b/open-api/typescript-sdk/src/fetch-client.ts
index 1584a79cf..bed1380d9 100644
--- a/open-api/typescript-sdk/src/fetch-client.ts
+++ b/open-api/typescript-sdk/src/fetch-client.ts
@@ -494,10 +494,13 @@ export type ValidateLibraryImportPathResponseDto = {
 export type ValidateLibraryResponseDto = {
     importPaths?: ValidateLibraryImportPathResponseDto[];
 };
+export type OnThisDayDto = {
+    year: number;
+};
 export type MemoryResponseDto = {
     assets: AssetResponseDto[];
     createdAt: string;
-    data: object;
+    data: OnThisDayDto;
     deletedAt?: string;
     id: string;
     isSaved: boolean;
@@ -509,7 +512,7 @@ export type MemoryResponseDto = {
 };
 export type MemoryCreateDto = {
     assetIds?: string[];
-    data: object;
+    data: OnThisDayDto;
     isSaved?: boolean;
     memoryAt: string;
     seenAt?: string;