diff --git a/Gemfile.lock b/Gemfile.lock
index 6462ac6..2eb7551 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -143,7 +143,7 @@ GEM
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.4)
-    therubyrhino (1.72.8)
+    therubyrhino (1.73.0)
     thin (1.3.1)
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)