diff --git a/frontend/responsive/bootstrap-4.0.0-beta.2/Gemfile.lock b/frontend/responsive/bootstrap-4.0.0-beta.2/Gemfile.lock
index 0be2f9d..0994bfa 100644
--- a/frontend/responsive/bootstrap-4.0.0-beta.2/Gemfile.lock
+++ b/frontend/responsive/bootstrap-4.0.0-beta.2/Gemfile.lock
@@ -34,11 +34,11 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.3.0)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.1-x64-mingw32)
-      mini_portile2 (~> 2.3.0)
+    mini_portile2 (2.4.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.4-x64-mingw32)
+      mini_portile2 (~> 2.4.0)
     pathutil (0.16.0)
       forwardable-extended (~> 2.6)
     public_suffix (3.0.0)