diff --git a/spec/test_app_templates/lib/generators/test_app_generator.rb b/spec/test_app_templates/lib/generators/test_app_generator.rb
index 1ecbfd60..fe794bc1 100644
--- a/spec/test_app_templates/lib/generators/test_app_generator.rb
+++ b/spec/test_app_templates/lib/generators/test_app_generator.rb
@@ -9,7 +9,11 @@ class TestAppGenerator < Rails::Generators::Base
 
   def add_gems
     gem 'blacklight', '~> 7.0'
-    gsub_file 'Gemfile', /^gem ["']sqlite3["']$/, 'gem "sqlite3", "~> 1.4.2"'
+
+    if RUBY_VERSION < '3.0'
+      # Hack for https://github.com/cbeer/engine_cart/issues/125
+      gsub_file 'Gemfile', /^gem ["']sqlite3["']$/, 'gem "sqlite3", "< 1.7"'
+    end
 
     Bundler.with_clean_env do
       run 'bundle install'
diff --git a/trln_argon.gemspec b/trln_argon.gemspec
index 5f70ca0c..5b843878 100644
--- a/trln_argon.gemspec
+++ b/trln_argon.gemspec
@@ -34,9 +34,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'sprockets', '~> 4.0'
   s.add_dependency 'trln-chosen-rails', '~> 1.20'
 
-  # no version specified for sqlite3 because engine_cart 2.2
-  # will otherwise use an incompatible version when generating
-  # the internal rails app (rails 5.2.3 required for sqlite3 1.4.0)
+  s.add_development_dependency 'sqlite3'
   s.add_development_dependency 'rspec-rails', '~> 5'
   s.add_development_dependency 'capybara', '~> 3.29'
   s.add_development_dependency 'pry', '~> 0.14'