diff --git a/public_activity.gemspec b/public_activity.gemspec
index a19c430..8981ca1 100644
--- a/public_activity.gemspec
+++ b/public_activity.gemspec
@@ -52,7 +52,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'pry'
   s.add_development_dependency 'redcarpet'
   s.add_development_dependency 'simplecov'
-  s.add_development_dependency 'sqlite3', '>= 1.4.1'
+  s.add_development_dependency 'sqlite3', '~> 1.4'
   s.add_development_dependency 'test-unit'
   s.add_development_dependency 'yard'
 end