diff --git a/core/Gemfile.lock b/core/Gemfile.lock
index 526d869f..b390a2f7 100644
--- a/core/Gemfile.lock
+++ b/core/Gemfile.lock
@@ -225,14 +225,15 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.11.3)
     multi_json (1.13.1)
     multi_test (0.1.2)
     newrelic_rpm (6.0.0.351)
     nio4r (2.3.1)
-    nokogiri (1.10.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     null-logger (0.1.5)
     pg (0.21.0)
     pickle (0.5.5)
@@ -256,6 +257,7 @@ GEM
       pry (>= 0.9.11)
     public_suffix (3.0.3)
     puma (3.11.0)
+    racc (1.5.2)
     rack (2.0.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)