diff --git a/Appraisals b/Appraisals
index 63e9331..697e735 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,6 +1,8 @@
 appraise "activerecord-7.0" do
   gem "activerecord", "~> 7.0.0"
   gem "concurrent-ruby", "1.3.4"
+  # Active Record 7.0's SQLite adapter only supports sqlite3 1.x
+  gem "sqlite3", "~> 1.4"
 end
 
 appraise "activerecord-7.1" do
diff --git a/Gemfile b/Gemfile
index eff579c..55a20e1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,6 +15,7 @@ else
 end
 
 gem "activerecord", ar
+gem "sqlite3", "~> 2.9", ">= 2.9.6"
 
 group :development, :test do
   gem "appraisal", "2.5.0"
diff --git a/inheritance_integer_type.gemspec b/inheritance_integer_type.gemspec
index 65e6be3..fa75771 100644
--- a/inheritance_integer_type.gemspec
+++ b/inheritance_integer_type.gemspec
@@ -22,6 +22,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec"
   spec.add_development_dependency "activerecord", ">= 7.0"
-  spec.add_development_dependency "sqlite3", "~> 1.4"
   spec.add_development_dependency "pry"
 end