diff --git a/Gemfile.lock b/Gemfile.lock
index 9978bd9..f169d38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,6 +78,7 @@ GEM
     duktape (2.0.1.0)
     erubi (1.7.1)
     execjs (2.7.0)
+    ffi (1.9.23)
     ffi (1.9.23-x86-mingw32)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
@@ -99,9 +100,12 @@ GEM
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
     minitest (5.11.3)
+    msgpack (1.2.4)
     msgpack (1.2.4-x86-mingw32)
     multi_json (1.13.1)
     nio4r (2.3.1)
+    nokogiri (1.8.2)
+      mini_portile2 (~> 2.3.0)
     nokogiri (1.8.2-x86-mingw32)
       mini_portile2 (~> 2.3.0)
     public_suffix (3.0.2)
@@ -135,7 +139,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.1)
+    rake (13.0.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -161,6 +165,7 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    sqlite3 (1.3.13)
     sqlite3 (1.3.13-x86-mingw32)
     thor (0.20.0)
     thread_safe (0.3.6)
@@ -190,6 +195,7 @@ GEM
       nokogiri (~> 1.8)
 
 PLATFORMS
+  ruby
   x86-mingw32
 
 DEPENDENCIES