diff --git a/rails/blog/Gemfile.lock b/rails/blog/Gemfile.lock
index cd5e3f2..7ced594 100644
--- a/rails/blog/Gemfile.lock
+++ b/rails/blog/Gemfile.lock
@@ -58,7 +58,7 @@ GEM
     mime-types (1.17.2)
     multi_json (1.0.4)
     polyglot (0.3.3)
-    rack (1.3.6)
+    rack (1.3.10)
     rack-cache (1.0.3)
       rack (>= 0.4)
     rack-mount (0.8.3)