diff --git a/package.json b/package.json
index 2cbad8e..c329659 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "screenshotone-validations",
   "homepage": "https://screenshotone.com",
-  "version": "1.0.39",
+  "version": "1.0.40",
   "description": "Validation schemes for the ScreenshotOne API requests.",
   "repository": {
     "type": "git",
diff --git a/src/main.ts b/src/main.ts
index d924d82..125c744 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -387,7 +387,8 @@ const commonOptionsScheme = Joi.object({
     storage_endpoint: Joi.string().uri().optional(),
     storage_access_key_id: Joi.string().optional(),
     storage_secret_access_key: Joi.string().optional(),
-    storage_acl: Joi.string().valid("public-read", "").default(""),
+    // "bucket-owner-read" is for AWS S3 only
+    storage_acl: Joi.string().valid("public-read", "", "bucket-owner-read").default(""),
     storage_class: Joi.string()
         .valid(
             "standard",