diff --git a/Gemfile.lock b/Gemfile.lock
index 0d0de8f..14d9c49 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
       multi_json (~> 1.0)
     addressable (2.3.5)
     arel (3.0.3)
-    aruba (0.5.3)
+    aruba (0.5.4)
       childprocess (>= 0.3.6)
       cucumber (>= 1.1.1)
       rspec-expectations (>= 2.7.0)
@@ -120,7 +120,7 @@ GEM
     guard-rspec (4.2.4)
       guard (~> 2.1)
       rspec (>= 2.14, < 4.0)
-    guard-shell (0.6.0)
+    guard-shell (0.6.1)
       guard (>= 1.1.0)
     haml (4.0.5)
       tilt
@@ -181,7 +181,7 @@ GEM
       rack (>= 0.4)
     rack-livereload (0.3.15)
       rack
-    rack-protection (1.5.1)
+    rack-protection (1.5.2)
       rack
     rack-ssl (1.3.3)
       rack