diff --git a/Gemfile b/Gemfile
index 6368533..dc504bd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ platforms :jruby do
 end
 
 platforms :ruby do
-  gem 'sqlite3', '~> 1.4.0'
+  gem 'sqlite3', '~> 1.4', '< 2.0' # can allow 2.0 once Rails's sqlite adapter allows it
 end
 
 gem 'activerecord', '>= 5.0.0'
diff --git a/gemfiles/rails_6.0.gemfile b/gemfiles/rails_6.0.gemfile
index ca9bd6b..7771155 100644
--- a/gemfiles/rails_6.0.gemfile
+++ b/gemfiles/rails_6.0.gemfile
@@ -11,7 +11,7 @@ platform :jruby do
 end
 
 platform :ruby do
-  gem 'sqlite3'
+  gem 'sqlite3', '~> 1.4', '< 2.0' # can allow 2.0 once Rails's sqlite adapter allows it
 end
 
 gemspec :path => '../'
diff --git a/gemfiles/rails_6.1.gemfile b/gemfiles/rails_6.1.gemfile
index 1a6f8b2..8d4e71e 100644
--- a/gemfiles/rails_6.1.gemfile
+++ b/gemfiles/rails_6.1.gemfile
@@ -11,7 +11,7 @@ platform :jruby do
 end
 
 platform :ruby do
-  gem 'sqlite3'
+  gem 'sqlite3', '~> 1.4', '< 2.0' # can allow 2.0 once Rails's sqlite adapter allows it
 end
 
 gemspec :path => '../'
diff --git a/gemfiles/rails_7.0.gemfile b/gemfiles/rails_7.0.gemfile
index b78051a..ce67e67 100644
--- a/gemfiles/rails_7.0.gemfile
+++ b/gemfiles/rails_7.0.gemfile
@@ -11,7 +11,7 @@ platform :jruby do
 end
 
 platform :ruby do
-  gem 'sqlite3'
+  gem 'sqlite3', '~> 1.4', '< 2.0' # can allow 2.0 once Rails's sqlite adapter allows it
 end
 
 gemspec :path => '../'
diff --git a/gemfiles/rails_7.1.gemfile b/gemfiles/rails_7.1.gemfile
index 97bd7c1..d70255e 100644
--- a/gemfiles/rails_7.1.gemfile
+++ b/gemfiles/rails_7.1.gemfile
@@ -11,7 +11,7 @@ platform :jruby do
 end
 
 platform :ruby do
-  gem 'sqlite3'
+  gem 'sqlite3', '~> 1.4', '< 2.0' # can allow 2.0 once Rails's sqlite adapter allows it
 end
 
 gemspec :path => '../'