diff --git a/ruby-on-rails/e-navigator/Gemfile.lock b/ruby-on-rails/e-navigator/Gemfile.lock
index f1680ca..35d1fd9 100644
--- a/ruby-on-rails/e-navigator/Gemfile.lock
+++ b/ruby-on-rails/e-navigator/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
     drb (2.2.3)
     enum_help (0.0.20)
       activesupport (>= 3.0.0)
-    erb (6.0.2)
+    erb (6.0.4)
     erubi (1.13.1)
     factory_bot (6.5.6)
       activesupport (>= 6.1.0)
@@ -381,7 +381,7 @@ CHECKSUMS
   dotenv-rails (3.2.0) sha256=657e25554ba622ffc95d8c4f1670286510f47f2edda9f68293c3f661b303beab
   drb (2.2.3) sha256=0b00d6fdb50995fe4a45dea13663493c841112e4068656854646f418fda13373
   enum_help (0.0.20) sha256=c3cdac74971b84af5ecfc2de72d3a5f0ab08216156dae0d6976b9885d706b98a
-  erb (6.0.2) sha256=9fe6264d44f79422c87490a1558479bd0e7dad4dd0e317656e67ea3077b5242b
+  erb (6.0.4) sha256=38e3803694be357fe2bfe312487c74beaf9fb4e5beb3e22498952fe1645b95d9
   erubi (1.13.1) sha256=a082103b0885dbc5ecf1172fede897f9ebdb745a4b97a5e8dc63953db1ee4ad9
   factory_bot (6.5.6) sha256=12beb373214dccc086a7a63763d6718c49769d5606f0501e0a4442676917e077
   factory_bot_rails (6.5.1) sha256=d3cc4851eae4dea8a665ec4a4516895045e710554d2b5ac9e68b94d351bc6d68