diff --git a/Gemfile.lock b/Gemfile.lock
index 8e15b2c..dd7aa15 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
     orm_adapter (0.4.0)
     pg (0.15.1)
     polyglot (0.3.3)
-    puma (2.3.0)
+    puma (2.3.1)
       rack (>= 1.1, < 2.0)
     rack (1.4.5)
     rack-cache (1.2)