diff --git a/Gemfile.lock b/Gemfile.lock
index c9ad3c4..1778c83 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,13 +97,13 @@ GEM
       uniform_notifier (~> 1.10.0)
     byebug (9.1.0)
     callsite (0.0.11)
-    capybara (2.15.1)
+    capybara (2.18.0)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
-      xpath (~> 2.0)
+      xpath (>= 2.0, < 4.0)
     carrierwave (1.1.0)
       activemodel (>= 4.0.0)
       activesupport (>= 4.0.0)
@@ -195,7 +195,7 @@ GEM
     formtastic (3.1.5)
       actionpack (>= 3.2.13)
     formtastic_i18n (0.6.0)
-    formulaic (0.4.0)
+    formulaic (0.4.1)
       activesupport
       capybara
       i18n
@@ -207,7 +207,8 @@ GEM
     hashdiff (0.3.6)
     health_check (3.0.0)
       railties (>= 5.0)
-    httparty (0.15.6)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     i18n (0.8.6)
     ice_nine (0.11.2)
@@ -261,7 +262,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_mime (0.1.4)
+    mini_mime (1.1.2)
     mini_portile2 (2.3.0)
     minitest (5.10.3)
     multi_json (1.12.2)