diff --git a/Gemfile.lock b/Gemfile.lock
index 7395888..ccf0bb2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,9 +2,9 @@ PATH
   remote: .
   specs:
     rubocop-github (0.19.0)
-      rubocop (~> 1.37)
-      rubocop-performance (~> 1.15)
-      rubocop-rails (~> 2.17)
+      rubocop (>= 1.37)
+      rubocop-performance (>= 1.15)
+      rubocop-rails (>= 2.17)
 
 GEM
   remote: https://rubygems.org/
diff --git a/rubocop-github.gemspec b/rubocop-github.gemspec
index c6d1e41..d289687 100644
--- a/rubocop-github.gemspec
+++ b/rubocop-github.gemspec
@@ -10,9 +10,9 @@ Gem::Specification.new do |s|
 
   s.files = Dir["README.md", "STYLEGUIDE.md", "LICENSE", "config/*.yml", "lib/**/*.rb", "guides/*.md"]
 
-  s.add_dependency "rubocop", "~> 1.37"
-  s.add_dependency "rubocop-performance", "~> 1.15"
-  s.add_dependency "rubocop-rails", "~> 2.17"
+  s.add_dependency "rubocop", ">= 1.37"
+  s.add_dependency "rubocop-performance", ">= 1.15"
+  s.add_dependency "rubocop-rails", ">= 2.17"
 
   s.add_development_dependency "actionview"
   s.add_development_dependency "minitest"