diff --git a/Gemfile.lock b/Gemfile.lock
index f339277..00a91c3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,11 +29,11 @@ GEM
     gosu_more_drawables (0.3.1)
     i18n (1.8.8)
       concurrent-ruby (~> 1.0)
-    mini_portile2 (2.5.0)
-    nokogiri (1.11.1)
+    mini_portile2 (2.5.1)
+    nokogiri (1.11.4)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
-    nokogiri (1.11.1-x64-mingw32)
+    nokogiri (1.11.4-x64-mingw32)
       racc (~> 1.4)
     ocra (1.3.11)
     opengl-bindings (1.6.10)