diff --git a/Gemfile.lock b/Gemfile.lock
index 2238a40..7bb8753 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,11 +17,13 @@ GEM
     hashie (1.2.0)
     kramdown (0.13.4)
     mime-types (1.17.2)
+    mini_portile2 (2.4.0)
     multi_json (1.0.4)
     multipart-post (1.1.4)
     nanoc (3.3.0)
       cri (~> 2.1)
-    nokogiri (1.5.0)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     octokit (0.6.5)
       addressable (~> 2.2.6)
       faraday (~> 0.7.4)