diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 782cc98..c3b7f88 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,11 +56,11 @@ jobs:
 #          - { 'rails': '7.0', 'ruby': '3.4.1' }
           - { 'rails': '7.1', 'ruby': '3.1.6' }
           - { 'rails': '7.1', 'ruby': '3.2.6' }
-#          - { 'rails': '7.1', 'ruby': '3.3.7' }
+          - { 'rails': '7.1', 'ruby': '3.3.7' }
 #          - { 'rails': '7.1', 'ruby': '3.4.1' }
           - { 'rails': '7.2', 'ruby': '3.1.6' }
           - { 'rails': '7.2', 'ruby': '3.2.6' }
-#          - { 'rails': '7.2', 'ruby': '3.3.7' }
+          - { 'rails': '7.2', 'ruby': '3.3.7' }
 #          - { 'rails': '7.2', 'ruby': '3.4.1' }
           - { 'rails': '8.0', 'ruby': '3.2.6' }
           - { 'rails': '8.0', 'ruby': '3.3.7' }
diff --git a/spec/currency_select_spec.rb b/spec/currency_select_spec.rb
index f72def2..93a98fe 100644
--- a/spec/currency_select_spec.rb
+++ b/spec/currency_select_spec.rb
@@ -3,6 +3,8 @@
 require 'spec_helper'
 # This line can be dropped once we no longer support Rails 7.0.
 require 'logger'
+# This line can be dropped once we no longer support Rails 7.1 and 7.2.
+require 'uri'
 require 'action_view'
 require 'currency_select'
 require 'support/dummy_user'
diff --git a/spec/form_options_helper_spec.rb b/spec/form_options_helper_spec.rb
index ee5b64a..76c911a 100644
--- a/spec/form_options_helper_spec.rb
+++ b/spec/form_options_helper_spec.rb
@@ -3,6 +3,8 @@
 require 'spec_helper'
 # This line can be dropped once we no longer support Rails 7.0.
 require 'logger'
+# This line can be dropped once we no longer support Rails 7.1 and 7.2.
+require 'uri'
 require 'action_view'
 require 'currency_select'