diff --git a/Gemfile.lock b/Gemfile.lock
index a6eb09f..d315d1d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,14 +1,16 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
     concurrent-ruby (1.1.6)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
+    eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
+    ffi (1.12.2)
     ffi (1.12.2-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
@@ -52,12 +54,14 @@ GEM
       jekyll-seo-tag (~> 2.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.4)
+    public_suffix (4.0.6)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rouge (3.18.0)
     safe_yaml (1.0.5)
+    sassc (2.3.0)
+      ffi (~> 1.9)
     sassc (2.3.0-x64-mingw32)
       ffi (~> 1.9)
     terminal-table (1.8.0)
@@ -72,6 +76,7 @@ GEM
 
 PLATFORMS
   x64-mingw32
+  x86_64-linux
 
 DEPENDENCIES
   jekyll (~> 4.0.0)