diff --git a/Gemfile.lock b/Gemfile.lock
index 007850e..c6a7a86 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -123,15 +123,16 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.0)
     multi_json (1.14.1)
     multi_test (0.1.2)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     nenv (0.3.0)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -172,6 +173,7 @@ GEM
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
     public_suffix (4.0.3)
+    racc (1.6.0)
     rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)