diff --git a/Gemfile b/Gemfile
index dd1c241a1..9dd599f07 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,6 +6,7 @@ source "https://rubygems.org"
 gemspec
 
 gem "rails-controller-testing", group: :test
+gem "rails", "< 7" # temporary: https://github.com/Shopify/shopify_app/pull/1561
 
 group :rubocop do
   gem "rubocop-shopify", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 10b32a5ba..787367ae6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,79 +13,73 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (7.0.4)
-      actionpack (= 7.0.4)
-      activesupport (= 7.0.4)
+    actioncable (6.1.7)
+      actionpack (= 6.1.7)
+      activesupport (= 6.1.7)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (7.0.4)
-      actionpack (= 7.0.4)
-      activejob (= 7.0.4)
-      activerecord (= 7.0.4)
-      activestorage (= 7.0.4)
-      activesupport (= 7.0.4)
+    actionmailbox (6.1.7)
+      actionpack (= 6.1.7)
+      activejob (= 6.1.7)
+      activerecord (= 6.1.7)
+      activestorage (= 6.1.7)
+      activesupport (= 6.1.7)
       mail (>= 2.7.1)
-      net-imap
-      net-pop
-      net-smtp
-    actionmailer (7.0.4)
-      actionpack (= 7.0.4)
-      actionview (= 7.0.4)
-      activejob (= 7.0.4)
-      activesupport (= 7.0.4)
+    actionmailer (6.1.7)
+      actionpack (= 6.1.7)
+      actionview (= 6.1.7)
+      activejob (= 6.1.7)
+      activesupport (= 6.1.7)
       mail (~> 2.5, >= 2.5.4)
-      net-imap
-      net-pop
-      net-smtp
       rails-dom-testing (~> 2.0)
-    actionpack (7.0.4)
-      actionview (= 7.0.4)
-      activesupport (= 7.0.4)
-      rack (~> 2.0, >= 2.2.0)
+    actionpack (6.1.7)
+      actionview (= 6.1.7)
+      activesupport (= 6.1.7)
+      rack (~> 2.0, >= 2.0.9)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (7.0.4)
-      actionpack (= 7.0.4)
-      activerecord (= 7.0.4)
-      activestorage (= 7.0.4)
-      activesupport (= 7.0.4)
-      globalid (>= 0.6.0)
+    actiontext (6.1.7)
+      actionpack (= 6.1.7)
+      activerecord (= 6.1.7)
+      activestorage (= 6.1.7)
+      activesupport (= 6.1.7)
       nokogiri (>= 1.8.5)
-    actionview (7.0.4)
-      activesupport (= 7.0.4)
+    actionview (6.1.7)
+      activesupport (= 6.1.7)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (7.0.4)
-      activesupport (= 7.0.4)
+    activejob (6.1.7)
+      activesupport (= 6.1.7)
       globalid (>= 0.3.6)
-    activemodel (7.0.4)
-      activesupport (= 7.0.4)
+    activemodel (6.1.7)
+      activesupport (= 6.1.7)
     activemodel-serializers-xml (1.0.2)
       activemodel (> 5.x)
       activesupport (> 5.x)
       builder (~> 3.1)
-    activerecord (7.0.4)
-      activemodel (= 7.0.4)
-      activesupport (= 7.0.4)
+    activerecord (6.1.7)
+      activemodel (= 6.1.7)
+      activesupport (= 6.1.7)
     activeresource (6.0.0)
       activemodel (>= 6.0)
       activemodel-serializers-xml (~> 1.0)
       activesupport (>= 6.0)
-    activestorage (7.0.4)
-      actionpack (= 7.0.4)
-      activejob (= 7.0.4)
-      activerecord (= 7.0.4)
-      activesupport (= 7.0.4)
+    activestorage (6.1.7)
+      actionpack (= 6.1.7)
+      activejob (= 6.1.7)
+      activerecord (= 6.1.7)
+      activesupport (= 6.1.7)
       marcel (~> 1.0)
       mini_mime (>= 1.1.0)
-    activesupport (7.0.4)
+    activesupport (6.1.7)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
@@ -128,14 +122,6 @@ GEM
     minitest (5.16.3)
     mocha (1.16.0)
     multi_xml (0.6.0)
-    net-imap (0.3.1)
-      net-protocol
-    net-pop (0.1.2)
-      net-protocol
-    net-protocol (0.1.3)
-      timeout
-    net-smtp (0.3.2)
-      net-protocol
     nio4r (2.5.8)
     nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
@@ -159,20 +145,21 @@ GEM
     rack (2.2.4)
     rack-test (2.0.2)
       rack (>= 1.3)
-    rails (7.0.4)
-      actioncable (= 7.0.4)
-      actionmailbox (= 7.0.4)
-      actionmailer (= 7.0.4)
-      actionpack (= 7.0.4)
-      actiontext (= 7.0.4)
-      actionview (= 7.0.4)
-      activejob (= 7.0.4)
-      activemodel (= 7.0.4)
-      activerecord (= 7.0.4)
-      activestorage (= 7.0.4)
-      activesupport (= 7.0.4)
+    rails (6.1.7)
+      actioncable (= 6.1.7)
+      actionmailbox (= 6.1.7)
+      actionmailer (= 6.1.7)
+      actionpack (= 6.1.7)
+      actiontext (= 6.1.7)
+      actionview (= 6.1.7)
+      activejob (= 6.1.7)
+      activemodel (= 6.1.7)
+      activerecord (= 6.1.7)
+      activestorage (= 6.1.7)
+      activesupport (= 6.1.7)
       bundler (>= 1.15.0)
-      railties (= 7.0.4)
+      railties (= 6.1.7)
+      sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.5)
       actionpack (>= 5.0.1.rc1)
       actionview (>= 5.0.1.rc1)
@@ -182,13 +169,12 @@ GEM
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
-    railties (7.0.4)
-      actionpack (= 7.0.4)
-      activesupport (= 7.0.4)
+    railties (6.1.7)
+      actionpack (= 6.1.7)
+      activesupport (= 6.1.7)
       method_source
       rake (>= 12.2)
       thor (~> 1.0)
-      zeitwerk (~> 2.5)
     rainbow (3.1.1)
     rake (13.0.6)
     rb-readline (0.5.5)
@@ -239,7 +225,6 @@ GEM
     syntax_tree (4.3.0)
       prettier_print (>= 1.0.2)
     thor (1.2.1)
-    timeout (0.3.0)
     tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.3.0)
@@ -262,6 +247,7 @@ DEPENDENCIES
   pry
   pry-nav
   pry-stack_explorer
+  rails (< 7)
   rails-controller-testing
   rake
   rb-readline