diff --git a/Gemfile b/Gemfile
index e13e648..d959b11 100644
--- a/Gemfile
+++ b/Gemfile
@@ -55,7 +55,7 @@ end
 group :development, :test do
   gem 'byebug', '11.0.1'
   gem 'capybara', '~> 2.18.0'
-  gem 'launchy', '~> 2.4.3'
+  gem 'launchy', '~> 2.5.0'
   gem 'pry', '0.12.2'
   gem 'rspec-rails', '3.9.0'
   gem 'rubocop', '0.49.1', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 4bbbeec..efb2013 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -150,8 +150,8 @@ GEM
       kaminari-core (= 1.2.0)
     kaminari-core (1.2.0)
     kgio (2.11.3)
-    launchy (2.4.3)
-      addressable (~> 2.3)
+    launchy (2.5.0)
+      addressable (~> 2.7)
     letter_opener (1.7.0)
       launchy (~> 2.2)
     libhoney (1.14.1)
@@ -186,7 +186,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (4.0.1)
+    public_suffix (4.0.3)
     rack (1.6.12)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -340,7 +340,7 @@ DEPENDENCIES
   jbuilder (= 2.9.1)
   jquery-rails (= 4.3.5)
   kaminari (= 1.2.0)
-  launchy (~> 2.4.3)
+  launchy (~> 2.5.0)
   letter_opener (= 1.7.0)
   mail (= 2.7.1)
   naturalsort