diff --git a/Gemfile.lock b/Gemfile.lock
index 22fc1ee..6bc8be9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,13 +86,13 @@ GEM
       nokogiri (~> 1)
       rake
     mini_mime (1.0.2)
-    mini_portile2 (2.5.1)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     nio4r (2.4.0)
-    nokogiri (1.11.5)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)