diff --git a/aula_models/Dojo_MVC/Gemfile.lock b/aula_models/Dojo_MVC/Gemfile.lock
index a69d7df..3cef111 100644
--- a/aula_models/Dojo_MVC/Gemfile.lock
+++ b/aula_models/Dojo_MVC/Gemfile.lock
@@ -126,7 +126,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.5)
     diff-lcs (1.3)
     erubi (1.8.0)
     execjs (2.7.0)
@@ -147,7 +147,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -162,7 +162,7 @@ GEM
     msgpack (1.2.10)
     multi_json (1.13.1)
     nio4r (2.3.1)
-    nokogiri (1.10.2)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     popper_js (1.14.5)
     public_suffix (3.0.3)