diff --git a/day_04/ex02/CheatSheet/Gemfile.lock b/day_04/ex02/CheatSheet/Gemfile.lock
index c927444..38f6392 100644
--- a/day_04/ex02/CheatSheet/Gemfile.lock
+++ b/day_04/ex02/CheatSheet/Gemfile.lock
@@ -65,6 +65,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
+    crass (1.0.6)
     debug_inspector (0.0.2)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
@@ -99,22 +100,25 @@ GEM
     json (1.8.6)
     launchy (2.4.3)
       addressable (~> 2.3)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.1)
     multi_json (1.12.1)
-    nokogiri (1.7.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     parser (2.4.0.0)
       ast (~> 2.2)
     path_expander (1.0.1)
     public_suffix (2.0.5)
+    racc (1.6.1)
     rack (1.6.5)
     rack-test (0.6.3)
       rack (>= 1.0)