diff --git a/Gemfile.lock b/Gemfile.lock
index 234f2a2..f40bcee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,12 +94,13 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.7)
     maruku (0.7.0)
     mercenary (0.3.6)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.9.1)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.6.8.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     octokit (4.6.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     parslet (1.5.0)
@@ -109,6 +110,7 @@ GEM
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
+    racc (1.6.0)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)