diff --git a/Gemfile.lock b/Gemfile.lock
index 71b5c1d0..6409df7e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     rack-test (0.5.3)
       rack (>= 1.0)
     rake (0.9.2.2)
-    rdiscount (1.6.8)
+    rdiscount (2.2.7.4)
     sinatra (1.0)
       rack (>= 1.0)
     syntax (1.0.0)