diff --git a/db/schema.rb b/db/schema.rb
index f96e2e3aa0d2bae7215bd517f81412415254b9cd..fbc14daae34c5be354cfdce7da5367523bd03439 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -44,7 +44,7 @@ ActiveRecord::Schema.define(version: 2022_10_20_124935) do
     t.text "metadata"
     t.string "service_name", null: false
     t.bigint "byte_size", null: false
-    t.string "checksum"
+    t.string "checksum", null: false
     t.datetime "created_at", null: false
     t.uuid "university_id"
     t.index ["key"], name: "index_active_storage_blobs_on_key", unique: true