diff --git a/Gemfile.lock b/Gemfile.lock
index 1751883..b7383d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,14 +19,16 @@ GEM
       xpath (~> 3.1)
     cliver (0.3.2)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    mini_portile2 (2.8.0)
+    nokogiri (1.13.3)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     poltergeist (1.18.1)
       capybara (>= 2.1, < 4)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
     public_suffix (3.0.2)
+    racc (1.6.0)
     rack (2.0.5)
     rack-test (1.0.0)
       rack (>= 1.0, < 3)