diff --git a/Gemfile.lock b/Gemfile.lock
index 7091a0e..792815d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,10 +70,11 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
     mercenary (0.3.5)
-    mini_portile (0.6.2)
+    mini_portile2 (2.8.0)
     minitest (5.8.3)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     octopress (3.0.9)
       jekyll (>= 2.0)
       mercenary (~> 0.3.2)
@@ -97,6 +98,7 @@ GEM
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
+    racc (1.6.0)
     rb-fsevent (0.9.5)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)