diff --git a/.travis.yml b/.travis.yml
index a93091e..a8670b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,3 +4,5 @@ rvm:
   - 2.1
   - 2.2
 script: "bundle exec rake"
+before_install:
+  - gem update bundler
diff --git a/screencap.gemspec b/screencap.gemspec
index 39cba0a..69fb9e5 100644
--- a/screencap.gemspec
+++ b/screencap.gemspec
@@ -15,9 +15,9 @@ Gem::Specification.new do |gem|
   gem.require_paths = ["lib"]
   gem.version       = Screencap::VERSION
 
-  gem.add_development_dependency 'rspec', '~> 2.10'
+  gem.add_development_dependency 'rspec'
   gem.add_development_dependency 'rake'
   gem.add_development_dependency 'phantomjs.rb'
   gem.add_development_dependency 'fastimage'
-  gem.add_runtime_dependency 'phantomjs'
+  gem.add_runtime_dependency 'phantomjs', '~> 1.9.8'
 end