diff --git a/Gemfile.lock b/Gemfile.lock
index 7d32bba..8a22322 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -163,7 +163,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_magick (4.5.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.1)
     minitest (5.10.3)
     molinillo (0.5.7)
     multi_json (1.12.2)
@@ -173,8 +173,9 @@ GEM
     nap (1.1.0)
     netrc (0.11.0)
     no_proxy_fix (0.1.2)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.14.2)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     octokit (4.7.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     open4 (1.3.4)
@@ -182,6 +183,7 @@ GEM
     ox (2.8.2)
     plist (3.3.0)
     public_suffix (2.0.5)
+    racc (1.6.2)
     representable (3.0.4)
       declarative (< 0.1.0)
       declarative-option (< 0.2.0)