diff --git a/Gemfile.lock b/Gemfile.lock
index a0e905e9..d9e83c17 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -174,7 +174,7 @@ GEM
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
-    erb (6.0.2)
+    erb (6.0.4)
     erubi (1.13.1)
     eventmachine (1.2.7)
     execjs (2.10.0)
diff --git a/vendor/cache/erb-6.0.2.gem b/vendor/cache/erb-6.0.2.gem
deleted file mode 100644
index 183c4181..00000000
Binary files a/vendor/cache/erb-6.0.2.gem and /dev/null differ
diff --git a/vendor/cache/erb-6.0.4.gem b/vendor/cache/erb-6.0.4.gem
new file mode 100644
index 00000000..b693b7da
Binary files /dev/null and b/vendor/cache/erb-6.0.4.gem differ