Update dependencies

Gemfile.lock

@@ -63,7 +63,7 @@ GEM
     capistrano-bundle_audit (0.2.1)
       bundler-audit (~> 0.5)
       capistrano (~> 3.0)
-    capistrano-bundler (1.3.0)
+    capistrano-bundler (1.4.0)
       capistrano (~> 3.1)
       sshkit (~> 1.2)
     capistrano-one_time_key (0.0.1)
@@ -75,13 +75,14 @@ GEM
       capistrano (~> 3.0)
       sshkit (~> 1.2)
     capistrano-shared_configs (0.2.2)
-    capybara (3.9.0)
+    capybara (3.10.0)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
       rack (>= 1.6.0)
       rack-test (>= 0.6.3)
-      xpath (~> 3.1)
+      regexp_parser (~> 1.2)
+      xpath (~> 3.2)
     coderay (1.1.2)
     concurrent-ruby (1.0.5)
     coveralls (0.8.22)
@@ -196,6 +197,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
+    regexp_parser (1.2.0)
     rest-client (2.0.2)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
@@ -212,7 +214,7 @@ GEM
     rspec-mocks (3.8.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.8.0)
-    rspec-rails (3.8.0)
+    rspec-rails (3.8.1)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       railties (>= 3.0)
@@ -247,7 +249,7 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.13)
-    sshkit (1.17.0)
+    sshkit (1.18.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     term-ansicolor (1.6.0)
@@ -272,7 +274,7 @@ GEM
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)
-    xpath (3.1.0)
+    xpath (3.2.0)
       nokogiri (~> 1.8)
     yard (0.9.16)