diff --git a/active_flag.gemspec b/active_flag.gemspec
index c741a2e..9de6f4c 100644
--- a/active_flag.gemspec
+++ b/active_flag.gemspec
@@ -23,5 +23,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'bundler'
   spec.add_development_dependency 'rake'
   spec.add_development_dependency 'minitest'
-  spec.add_development_dependency 'sqlite3'
+  spec.add_development_dependency 'sqlite3', '< 2'
 end