diff --git a/app/controllers/internal_controller.rb b/app/controllers/internal_controller.rb
index f0b6bade..83bca757 100644
--- a/app/controllers/internal_controller.rb
+++ b/app/controllers/internal_controller.rb
@@ -8,7 +8,7 @@ class InternalController < ApplicationController
   def validate_token
     service_token = request.headers['X-WCA-Service-Token']
     unless service_token.present?
-      return render json: { error: "Missing Authentication" }, status: :forbidden
+      return render json: { error: 'Missing Authentication' }, status: :forbidden
     end
     # The Vault CLI can't parse the response from identity/oidc/introspect so
     # we need to request it instead see https://github.com/hashicorp/vault/issues/9080
@@ -25,8 +25,8 @@ def validate_token
                              headers: { 'X-Vault-Token' => vault_token_data[:id],
                                         'Content-Type' => 'application/json' })
     if response.ok?
-      unless response["active"]
-        render json: { error: "Authentication Expired or Token Invalid" }, status: :forbidden
+      unless response['active']
+        render json: { error: 'Authentication Expired or Token Invalid' }, status: :forbidden
       end
     else
       raise "Introspection failed with the following error: #{response.status}, #{response.body}"
@@ -41,6 +41,6 @@ def update_payment_status
     payment_status = params.require(:payment_status)
     registration = Registration.find(attendee_id)
     registration.update_payment_lane(payment_id, iso_amount, currency_iso, payment_status)
-    render json: { status: "ok" }
+    render json: { status: 'ok' }
   end
-end
\ No newline at end of file
+end
diff --git a/app/helpers/lane_factory.rb b/app/helpers/lane_factory.rb
index d8cd5a30..88f1e062 100644
--- a/app/helpers/lane_factory.rb
+++ b/app/helpers/lane_factory.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require 'time'
 
 class LaneFactory
@@ -25,7 +26,7 @@ def self.payment_lane(fee_lowest_denominator, currency_code, payment_id)
       payment_id: payment_id,
       currency_code: currency_code,
       last_updated: Time.now,
-      payment_history: []
+      payment_history: [],
     }
     payment_lane
   end
diff --git a/app/models/registration.rb b/app/models/registration.rb
index c4e01277..9566c8a2 100644
--- a/app/models/registration.rb
+++ b/app/models/registration.rb
@@ -117,17 +117,17 @@ def update_payment_lane(id, iso_amount, currency_iso, status)
         # TODO: Should we only add payments to the payment_history
         # if there is a new payment_id?
         lane.lane_details['payment_history'].append({
-          status: lane.lane_state,
-          payment_id: old_details["payment_id"],
-          currency_code: old_details["currency_code"],
-          amount_lowest_denominator: old_details["amount_lowest_denominator"],
-          last_updated: old_details["last_updated"]
-        })
+                                                      status: lane.lane_state,
+                                                      payment_id: old_details['payment_id'],
+                                                      currency_code: old_details['currency_code'],
+                                                      amount_lowest_denominator: old_details['amount_lowest_denominator'],
+                                                      last_updated: old_details['last_updated'],
+                                                    })
         lane.lane_state = status
-        lane.lane_details["payment_id"] = id
-        lane.lane_details["amount_lowest_denominator"] = iso_amount
-        lane.lane_details["currency_code"] = currency_iso
-        lane.lane_details["last_updated"] = Time.now
+        lane.lane_details['payment_id'] = id
+        lane.lane_details['amount_lowest_denominator'] = iso_amount
+        lane.lane_details['currency_code'] = currency_iso
+        lane.lane_details['last_updated'] = Time.now
       end
       lane
     end