diff --git a/Gemfile.lock b/Gemfile.lock
index 9978bd9..40f0c64 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)
@@ -99,14 +100,17 @@ 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)
     puma (3.11.4)
-    rack (2.0.5)
+    rack (2.1.4)
     rack-proxy (0.6.4)
       rack
     rack-test (1.0.0)
@@ -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