diff --git a/src/mongoose/buildSchema.ts b/src/mongoose/buildSchema.ts
index aad35351a..c5eed1f4f 100644
--- a/src/mongoose/buildSchema.ts
+++ b/src/mongoose/buildSchema.ts
@@ -80,7 +80,7 @@ const buildSchema = (config: SanitizedConfig, configFields: Field[], buildSchema
       if (config.indexSortableFields && !buildSchemaOptions.global && !field.index && !field.hidden && sortableFieldTypes.indexOf(field.type) > -1 && fieldAffectsData(field)) {
         indexFields.push({ index: { [field.name]: 1 } });
       } else if (field.unique && fieldAffectsData(field)) {
-        indexFields.push({ index: { [field.name]: 1 }, options: { unique: true, sparse: field.localized || false } });
+        indexFields.push({ index: { [field.name]: 1 }, options: { unique: !buildSchemaOptions.disableUnique, sparse: field.localized || false } });
       } else if (field.index && fieldAffectsData(field)) {
         indexFields.push({ index: { [field.name]: 1 } });
       }
diff --git a/test/versions/int.spec.ts b/test/versions/int.spec.ts
index 6d6dca189..7bca5a3e9 100644
--- a/test/versions/int.spec.ts
+++ b/test/versions/int.spec.ts
@@ -62,7 +62,7 @@ describe('Versions', () => {
 
         collectionLocalPostID = autosavePost.id;
 
-        const updatedPost = await payload.update<any>({
+        const updatedPost = await payload.update({
           id: collectionLocalPostID,
           collection,
           data: {
@@ -82,6 +82,35 @@ describe('Versions', () => {
         expect(collectionLocalVersionID).toBeDefined();
       });
 
+      it('should allow saving multiple versions of models with unique fields', async () => {
+        const autosavePost = await payload.create({
+          collection,
+          data: {
+            title: 'unique unchanging title',
+            description: 'description 1',
+          },
+        });
+
+        await payload.update({
+          id: autosavePost.id,
+          collection,
+          data: {
+            description: 'description 2',
+          },
+        });
+        const finalDescription = 'final description';
+
+        const secondUpdate = await payload.update({
+          id: autosavePost.id,
+          collection,
+          data: {
+            description: finalDescription,
+          },
+        });
+
+        expect(secondUpdate.description).toBe(finalDescription);
+      });
+
       it('should allow a version to be retrieved by ID', async () => {
         const version = await payload.findVersionByID({
           collection,