diff --git a/Gemfile.lock b/Gemfile.lock
index c4509be..d6139d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,14 +96,18 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.19)
+    mini_portile2 (2.5.1)
     multi_json (1.5.0)
     multi_xml (0.5.2)
-    nokogiri (1.5.6)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     orm_adapter (0.4.0)
     orm_adapter_aws (0.0.1)
       aws-sdk (~> 1.8.0)
       orm_adapter (~> 0.4.0)
     polyglot (0.3.3)
+    racc (1.5.2)
     rack (1.4.3)
     rack-cache (1.2)
       rack (>= 0.4)