diff --git a/Gemfile.lock b/Gemfile.lock
index d9e9144..1d8ab73 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,7 +157,7 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.25.1)
-    mini_portile (0.5.2)
+    mini_portile2 (2.5.0)
     minitest (4.7.5)
     multi_json (1.8.4)
     multipart-post (2.0.0)
@@ -168,8 +168,9 @@ GEM
     net-ssh (2.8.0)
     net-ssh-gateway (1.2.0)
       net-ssh (>= 2.6.5)
-    nokogiri (1.6.1)
-      mini_portile (~> 0.5.0)
+    nokogiri (1.11.1)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pdf-core (0.1.6)
     pg (0.17.1)
@@ -181,6 +182,7 @@ GEM
       ttfunk (~> 1.1.0)
     puma (2.8.0)
       rack (>= 1.1, < 2.0)
+    racc (1.5.2)
     rack (1.5.2)
     rack-protection (1.5.2)
       rack