diff --git a/Gemfile.lock b/Gemfile.lock
index 7282e9e..0d7a8e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,12 +98,13 @@ GEM
       rb-inotify (>= 0.9)
     maruku (0.7.0)
     mercenary (0.3.5)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.5.0)
     minitest (5.8.3)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.6.7.1)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.11.2)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     octokit (4.2.0)
       sawyer (~> 0.6.0, >= 0.5.3)
     parslet (1.5.0)
@@ -113,6 +114,7 @@ GEM
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
+    racc (1.5.2)
     rb-fsevent (0.9.6)
     rb-inotify (0.9.5)
       ffi (>= 0.5.0)