diff --git a/Gemfile.lock b/Gemfile.lock
index 2ab00ef..1523358 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,9 +7,11 @@ GEM
       rubyzip (~> 1.0.0)
     diff-lcs (1.3)
     htmlentities (4.3.4)
-    mini_portile2 (2.4.0)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
+    mini_portile2 (2.5.1)
+    nokogiri (1.11.5)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    racc (1.5.2)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)
@@ -23,7 +25,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.2)
-    rubyzip (1.2.2)
+    rubyzip (1.0.0)
     sequel (5.21.0)
 
 PLATFORMS