diff --git a/Gemfile.lock b/Gemfile.lock
index 449508b..c4b9653 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,7 +76,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.0)
     minitest (5.10.2)
     mongo (2.4.2)
       bson (>= 4.2.1, < 5.0.0)
@@ -87,8 +87,9 @@ GEM
       tzinfo (>= 0.3.37)
     multi_json (1.12.1)
     multi_xml (0.6.0)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.2)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     origin (2.3.1)
     pg (0.20.0)
     pry (0.10.4)
@@ -101,6 +102,7 @@ GEM
     pry-rails (0.3.6)
       pry (>= 0.10.4)
     puma (3.12.6)
+    racc (1.5.2)
     rack (1.6.13)
     rack-cors (1.0.5)
       rack (>= 1.6.0)