diff --git a/Gemfile.lock b/Gemfile.lock
index d486e5d..25eaf40 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -137,10 +137,11 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
-    nokogiri (1.10.2)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     parallel (1.17.0)
     parser (2.6.2.1)
       ast (~> 2.4.0)
@@ -161,6 +162,7 @@ GEM
       pry (>= 0.9.11)
     psych (3.1.0)
     public_suffix (3.0.3)
+    racc (1.5.2)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)