diff --git a/Gemfile.lock b/Gemfile.lock
index c5ab922..91417a9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,20 +3,27 @@ PATH
   specs:
     inline-style (0.4.10)
       css_parser
-      facets
       maca-fork-csspool
       nokogiri
 
 GEM
   remote: http://rubygems.org/
   specs:
-    activesupport (3.0.4)
-    css_parser (1.1.5)
+    activesupport (6.0.0)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+      zeitwerk (~> 2.1, >= 2.1.8)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    concurrent-ruby (1.1.5)
+    css_parser (1.7.0)
+      addressable
     diff-lcs (1.1.2)
-    facets (2.9.1)
-    ffi (1.0.7)
-      rake (>= 0.8.7)
-    i18n (0.5.0)
+    ffi (1.11.1)
+    i18n (1.7.0)
+      concurrent-ruby (~> 1.0)
     maca-fork-csspool (2.0.2)
       ffi
     mail (2.2.15)
@@ -25,10 +32,13 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.16)
-    nokogiri (1.4.4)
+    mini_portile2 (2.4.0)
+    minitest (5.12.2)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     polyglot (0.3.1)
+    public_suffix (4.0.1)
     rack (1.2.1)
-    rake (0.8.7)
     rspec (2.4.0)
       rspec-core (~> 2.4.0)
       rspec-expectations (~> 2.4.0)
@@ -37,19 +47,19 @@ GEM
     rspec-expectations (2.4.0)
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.4.0)
+    thread_safe (0.3.6)
     treetop (1.4.9)
       polyglot (>= 0.3.1)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
+    zeitwerk (2.2.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  css_parser
-  facets
   inline-style!
-  maca-fork-csspool
   mail
-  nokogiri
   rack
   rspec
   rspec-core