diff --git a/.travis.yml b/.travis.yml
index dc257715..8b7e2229 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,6 @@ rvm:
 before_install:
   - "echo 'gem: --no-ri --no-rdoc' > ~/.gemrc"
   - gem update --system
-  - gem install bundler
 matrix:
   allow_failures:
     - rvm: ruby-head
diff --git a/wpscan.gemspec b/wpscan.gemspec
index 99cf2064..e1048593 100644
--- a/wpscan.gemspec
+++ b/wpscan.gemspec
@@ -27,7 +27,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'activesupport', '~> 5.1'
   s.add_dependency 'yajl-ruby', '~> 1.4'
 
-  s.add_development_dependency 'bundler',   '~> 1.6'
+  s.add_development_dependency 'bundler',   '>= 1.6'
   s.add_development_dependency 'coveralls', '~> 0.8.0'
   s.add_development_dependency 'rake', '~> 12.3'
   s.add_development_dependency 'rspec', '~> 3.8.0'