diff --git a/Gemfile.lock b/Gemfile.lock
index 2cf12ac..0a241ea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
     capture-output (1.0.0)
     date (3.5.1)
     diff-lcs (1.6.2)
-    erb (6.0.2)
+    erb (6.0.4)
     io-console (0.8.2)
     irb (1.17.0)
       pp (>= 0.6.0)