diff --git a/ghost/core/core/server/data/migrations/versions/5.45/2023-04-21-13-01-add-feature-image-meta-to-post-revisions.js b/ghost/core/core/server/data/migrations/versions/5.45/2023-04-21-13-01-add-feature-image-meta-to-post-revisions.js
index e2bd0834b2..0105811915 100644
--- a/ghost/core/core/server/data/migrations/versions/5.45/2023-04-21-13-01-add-feature-image-meta-to-post-revisions.js
+++ b/ghost/core/core/server/data/migrations/versions/5.45/2023-04-21-13-01-add-feature-image-meta-to-post-revisions.js
@@ -2,7 +2,7 @@ const {combineNonTransactionalMigrations,createAddColumnMigration} = require('..
 
 module.exports = combineNonTransactionalMigrations(
     createAddColumnMigration('post_revisions', 'feature_image_caption', {
-        type: 'string',
+        type: 'text',
         maxlength: 65535,
         nullable: true
     }),