diff --git a/web/Gemfile.lock b/web/Gemfile.lock
index 59e2d69..6259f6b 100644
--- a/web/Gemfile.lock
+++ b/web/Gemfile.lock
@@ -23,7 +23,7 @@ GEM
     macaddr (1.6.1)
       systemu (~> 2.5.0)
     multi_json (1.13.1)
-    rack (1.6.11)
+    rack (1.6.12)
     rack-protection (1.5.5)
       rack
     rack-test (1.1.0)