diff --git a/Gemfile.lock b/Gemfile.lock
index f6b36b5..2d3cc7c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     method_source (0.9.2)
     mimemagic (0.3.3)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     msgpack (1.2.6)
     multi_json (1.13.1)
@@ -113,8 +113,9 @@ GEM
     net-http-persistent (2.9.4)
     net-http-pipeline (1.0.1)
     nio4r (2.3.1)
-    nokogiri (1.10.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.12.1)
     parser (2.5.3.0)
@@ -124,6 +125,7 @@ GEM
     pusher-client (0.6.2)
       json
       websocket (~> 1.0)
+    racc (1.5.2)
     rack (2.0.6)
     rack-cors (1.0.2)
     rack-test (1.1.0)