diff --git a/Gemfile.lock b/Gemfile.lock
index cd4f3ac..92a8a9e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -202,14 +202,15 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     multipart-post (2.1.1)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     os (1.0.1)
     pg (0.18.4)
@@ -221,6 +222,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.1.0)
     puma (3.11.4)
+    racc (1.6.0)
     rack (2.0.5)
     rack-test (0.6.3)
       rack (>= 1.0)