diff --git a/Gemfile.lock b/Gemfile.lock
index dadf140..1cb44f9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,12 +75,13 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.2.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.3)
     multi_json (1.12.1)
     nio4r (2.1.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.13.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -92,6 +93,7 @@ GEM
       pry (>= 0.9.10)
     puma (4.3.1)
       nio4r (~> 2.0)
+    racc (1.6.0)
     rack (2.0.3)
     rack-test (0.6.3)
       rack (>= 1.0)