diff --git a/Gemfile.lock b/Gemfile.lock
index 7869734e6..2eb961c01 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -260,9 +260,11 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     mixlib-cli (1.7.0)
     mixlib-config (2.2.13)
@@ -274,8 +276,9 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (5.0.2)
     newrelic_rpm (4.1.0.333)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     nori (2.6.0)
     oauth (0.5.3)
     oauth2 (1.4.0)
@@ -324,6 +327,7 @@ GEM
     public_suffix (3.0.3)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
+    racc (1.5.2)
     rack (1.6.11)
     rack-accept (0.4.5)
       rack (>= 0.4)