diff --git a/Gemfile.lock b/Gemfile.lock
index e627456c..0592921e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,7 +64,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nanoc (4.9.0)
@@ -80,8 +80,9 @@ GEM
     naught (1.1.0)
     net-http-digest_auth (1.4.1)
     net-http-persistent (2.9.4)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     ntlm-http (0.1.1)
     octokit (4.16.0)
       faraday (>= 0.9)
@@ -96,6 +97,7 @@ GEM
       byebug (~> 10.0)
       pry (~> 0.10)
     public_suffix (3.0.2)
+    racc (1.6.0)
     rack (2.1.2)
     rack-cache (1.7.1)
       rack (>= 0.4)