bundle update

Gemfile.lock

@@ -11,21 +11,25 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     crack (0.4.5)
       rexml
-    docile (1.3.2)
+    docile (1.4.0)
     hashdiff (1.0.1)
-    json (2.6.1)
-    libxml-ruby (3.2.1)
-    power_assert (1.1.5)
+    libxml-ruby (3.2.2)
+    power_assert (2.0.1)
+    psych (4.0.3)
+      stringio
     public_suffix (4.0.6)
     rake (13.0.6)
-    rdoc (6.3.3)
+    rdoc (6.4.0)
+      psych (>= 4.0.0)
     rexml (3.2.5)
-    simplecov (0.17.1)
+    simplecov (0.21.2)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
-    test-unit (3.3.4)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.4)
+    stringio (3.0.1)
+    test-unit (3.5.3)
       power_assert
     vcr (3.0.3)
     webmock (3.14.0)