diff --git a/Gemfile.lock b/Gemfile.lock
index 009a03e83..09af2a1cc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -346,7 +346,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     multi_json (1.13.1)
     multi_test (0.1.2)
@@ -358,8 +358,9 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (4.2.0)
     newrelic_rpm (5.1.0.344)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -409,6 +410,7 @@ GEM
       byebug (~> 10.0)
       pry (~> 0.10)
     public_suffix (3.0.2)
+    racc (1.5.2)
     rack (1.5.5)
     rack-test (0.6.3)
       rack (>= 1.0)