diff --git a/Gemfile.lock b/Gemfile.lock
index 0c15513..2535bad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -103,9 +103,12 @@ GEM
       treetop (~> 1.4.8)
     method_source (0.7.1)
     mime-types (1.18)
+    mini_portile2 (2.8.0)
     multi_json (1.3.4)
     multi_xml (0.5.1)
-    nokogiri (1.5.2)
+    nokogiri (1.13.8)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (0.13.2)
     polyglot (0.3.3)
     pry (0.9.9.4)
@@ -114,6 +117,7 @@ GEM
       slop (>= 2.4.4, < 3)
     puma (1.2.2)
       rack (~> 1.2)
+    racc (1.6.0)
     rack (1.4.1)
     rack-cache (1.2)
       rack (>= 0.4)