diff --git a/Gemfile.lock b/Gemfile.lock
index e92f178c..2a6aae1f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -188,7 +188,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.11.3)
     multi_json (1.13.1)
     multipart-post (2.1.1)
@@ -198,8 +198,9 @@ GEM
     net-http-pipeline (1.0.1)
     netrc (0.11.0)
     nio4r (2.4.0)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     os (0.9.6)
     parallel (1.17.0)
     parser (2.6.3.0)
@@ -212,6 +213,7 @@ GEM
     pusher-client (0.6.2)
       json
       websocket (~> 1.0)
+    racc (1.5.2)
     rack (2.0.7)
     rack-proxy (0.6.5)
       rack