diff --git a/Gemfile.lock b/Gemfile.lock
index a58feb3..7fc99ca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,12 +100,13 @@ GEM
       mini_mime (>= 0.1.1)
     method_source (0.9.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.11.3)
     multi_json (1.13.1)
     nio4r (2.3.0)
-    nokogiri (1.10.7)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     pg (0.21.0)
     popper_js (1.12.9)
     pry (0.11.2)
@@ -115,6 +116,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.0.2)
     puma (3.12.2)
+    racc (1.5.2)
     rack (2.0.8)
     rack-cors (1.0.5)
       rack (>= 1.6.0)