diff --git a/Gemfile.lock b/Gemfile.lock
index 198f866..5bd4437 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,10 +33,10 @@ GEM
     i18n (1.8.11)
       concurrent-ruby (~> 1.0)
     mini_mime (1.1.0)
-    mini_portile2 (2.5.3)
+    mini_portile2 (2.6.1)
     minitest (5.15.0)
-    nokogiri (1.11.7)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     parallel (1.20.1)
     parser (3.0.1.1)
@@ -46,7 +46,7 @@ GEM
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
     public_suffix (4.0.6)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)