diff --git a/Gemfile.lock b/Gemfile.lock
index 0465464..a16c1aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -139,7 +139,7 @@ GEM
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.4)
     therubyrhino (1.72.8)
-    thin (1.3.0)
+    thin (1.3.1)
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)