diff --git a/Gemfile.lock b/Gemfile.lock
index f5f994e..d15695a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,7 +98,7 @@ GEM
       mini_mime (>= 0.1.1)
     method_source (0.9.2)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     minitest-reporters (1.4.2)
       ansi
@@ -106,11 +106,13 @@ GEM
       minitest (>= 5.0)
       ruby-progressbar
     nio4r (2.4.0)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     pg (1.1.4)
     public_suffix (3.1.1)
     puma (3.12.1)
+    racc (1.5.2)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)