diff --git a/Gemfile.lock b/Gemfile.lock
index afa9311..0eece3a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -142,7 +142,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     minitest-capybara (0.8.2)
       capybara (~> 2.2)
@@ -166,8 +166,9 @@ GEM
     multipart-post (2.0.0)
     net-ssh (5.2.0)
     nio4r (2.3.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     octokit (4.7.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     parallel (1.11.2)
@@ -186,6 +187,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (2.0.4)
     puma (3.11.4)
+    racc (1.6.0)
     rack (2.0.4)
     rack-mini-profiler (0.10.1)
       rack (>= 1.2.0)