diff --git a/Gemfile.lock b/Gemfile.lock
index cfdb2bf..1e9281f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,12 +10,14 @@ GEM
   specs:
     coderay (1.1.2)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
-    nokogiri (1.10.1)
-      mini_portile2 (~> 2.4.0)
+    mini_portile2 (2.5.1)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
+    racc (1.5.2)
     rainbow (3.0.0)
     rake (10.5.0)