diff --git a/Ruby and Ruby on Rails/Rails_CRUD_TeamProject/Gemfile.lock b/Ruby and Ruby on Rails/Rails_CRUD_TeamProject/Gemfile.lock
index f7153bc..82d2218 100644
--- a/Ruby and Ruby on Rails/Rails_CRUD_TeamProject/Gemfile.lock	
+++ b/Ruby and Ruby on Rails/Rails_CRUD_TeamProject/Gemfile.lock	
@@ -78,7 +78,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.3)
+    crass (1.0.6)
     erubi (1.7.1)
     execjs (2.7.0)
     ffi (1.9.23)
@@ -95,7 +95,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -120,7 +120,7 @@ GEM
     public_suffix (3.0.2)
     puma (4.3.12)
       nio4r (~> 2.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.3)
     rack-test (0.8.3)
       rack (>= 1.0, < 3)