diff --git a/Gemfile.lock b/Gemfile.lock
index d9331da..e701f1b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     autoprefixer-rails (6.7.7.2)
       execjs
     backports (3.17.1)
@@ -24,6 +24,7 @@ GEM
     execjs (2.7.0)
     fast_blank (1.0.0)
     fastimage (2.1.7)
+    ffi (1.12.2)
     ffi (1.12.2-x64-mingw32)
     haml (5.0.4)
       temple (>= 0.8.0)
@@ -81,6 +82,8 @@ GEM
       rouge (~> 2.0)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
     nokogiri (1.10.9-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     padrino-helpers (0.13.3.4)
@@ -90,7 +93,7 @@ GEM
     padrino-support (0.13.3.4)
       activesupport (>= 3.1)
     parallel (1.19.1)
-    public_suffix (4.0.5)
+    public_suffix (5.0.0)
     rack (2.0.9)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
@@ -112,6 +115,7 @@ GEM
       execjs (>= 0.3.0, < 3)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES