diff --git a/db/primary_migrate/20211206205035_add_issuer_returned_at_index_to_sp_return_logs.rb b/db/primary_migrate/20211206205035_add_issuer_returned_at_index_to_sp_return_logs.rb
new file mode 100644
index 00000000000..bdb31ba6428
--- /dev/null
+++ b/db/primary_migrate/20211206205035_add_issuer_returned_at_index_to_sp_return_logs.rb
@@ -0,0 +1,11 @@
+class AddIssuerReturnedAtIndexToSpReturnLogs < ActiveRecord::Migration[6.1]
+  disable_ddl_transaction!
+
+  def change
+    add_index(
+      :sp_return_logs,
+      %i[issuer requested_at],
+      algorithm: :concurrently,
+    )
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7448720d6b6..9f8c9f6cd2f 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_11_04_174749) do
+ActiveRecord::Schema.define(version: 2021_12_06_205035) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
@@ -569,6 +569,7 @@
     t.integer "user_id"
     t.datetime "returned_at"
     t.boolean "billable"
+    t.index ["issuer", "requested_at"], name: "index_sp_return_logs_on_issuer_and_requested_at"
     t.index ["request_id"], name: "index_sp_return_logs_on_request_id", unique: true
     t.index ["requested_at"], name: "index_sp_return_logs_on_requested_at"
     t.index ["user_id", "requested_at"], name: "index_sp_return_logs_on_user_id_and_requested_at"