diff --git a/Gemfile.lock b/Gemfile.lock
index b1f4000..201a607 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,9 +13,11 @@ GEM
     diff-lcs (1.2.5)
     json (1.8.1)
     mime-types (2.0)
-    mini_portile (0.5.2)
-    nokogiri (1.6.0)
-      mini_portile (~> 0.5.0)
+    mini_portile2 (2.6.1)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
+    racc (1.5.2)
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)