diff --git a/demo-5.2.1/Gemfile.lock b/demo-5.2.1/Gemfile.lock
index f377b32..8f70bea 100644
--- a/demo-5.2.1/Gemfile.lock
+++ b/demo-5.2.1/Gemfile.lock
@@ -73,7 +73,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     erubi (1.8.0)
     execjs (2.7.0)
     ffi (1.10.0)
@@ -89,7 +89,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.4.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -104,7 +104,7 @@ GEM
     msgpack (1.2.9)
     multi_json (1.13.1)
     nio4r (2.3.1)
-    nokogiri (1.10.1)
+    nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     public_suffix (3.0.3)
     puma (3.12.1)