diff --git a/Gemfile b/Gemfile
index f8620a6..dfd6bfb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ gem "pygments.rb"
 gem "github-linguist"
 
 group :development do
-  gem "capybara"
+  gem "capybara", ">= 2.4.2"
   gem "chef-zero"
   gem "cucumber"
   gem "rack-test"
diff --git a/Gemfile.lock b/Gemfile.lock
index e552ee1..91aa0dc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,12 +11,15 @@ GEM
     buff-shell_out (0.2.0)
       buff-ruby_engine (~> 0.1.0)
     builder (3.2.2)
-    capybara (2.4.1)
-      mime-types (>= 1.16)
-      nokogiri (>= 1.3.3)
-      rack (>= 1.0.0)
-      rack-test (>= 0.5.4)
-      xpath (~> 2.0)
+    capybara (3.39.2)
+      addressable
+      matrix
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.8)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (>= 1.5, < 3.0)
+      xpath (~> 3.2)
     celluloid (0.16.0)
       timers (~> 4.0.0)
     celluloid-io (0.16.1)
@@ -62,9 +65,11 @@ GEM
     json (1.8.2)
     kramdown (1.4.0)
     libyajl2 (1.2.0)
+    matrix (0.4.2)
     method_source (0.8.2)
     mime-types (1.25.1)
-    mini_portile (0.6.0)
+    mini_mime (1.1.5)
+    mini_portile2 (2.8.6)
     minitest (5.4.0)
     mixlib-authentication (1.3.0)
       mixlib-log
@@ -74,8 +79,9 @@ GEM
     multipart-post (2.0.0)
     net-http-persistent (2.9.4)
     nio4r (1.1.0)
-    nokogiri (1.6.2.1)
-      mini_portile (= 0.6.0)
+    nokogiri (1.15.6)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     oj (2.9.9)
     posix-spawn (0.3.8)
     predicated (0.2.6)
@@ -89,11 +95,12 @@ GEM
       posix-spawn (~> 0.3.6)
       yajl-ruby (= 1.2.1)
     racc (1.4.11)
-    rack (1.6.0)
+    rack (1.6.13)
     rack-protection (1.5.3)
       rack
-    rack-test (0.6.2)
-      rack (>= 1.0)
+    rack-test (2.1.0)
+      rack (>= 1.3)
+    regexp_parser (2.9.2)
     retryable (2.0.0)
     ridley (4.1.2)
       addressable
@@ -343,15 +350,15 @@ GEM
       ruby2ruby (>= 2.0.1)
       ruby_parser (>= 3.0.1)
       sexp_processor (>= 4.0)
-    xpath (2.0.0)
-      nokogiri (~> 1.3)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
     yajl-ruby (1.2.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  capybara
+  capybara (>= 2.4.2)
   chef-zero
   coderay
   cucumber
@@ -373,3 +380,6 @@ DEPENDENCIES
   sinatra
   tinyconfig (~> 0.1)
   wrong (= 0.7.1)
+
+BUNDLED WITH
+   2.1.4