diff --git a/Gemfile.lock b/Gemfile.lock
index e2c9ac4d..2c3da4e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,7 @@ GEM
       execjs
     coffee-script-source (1.11.1)
     colorator (1.1.0)
-    commonmarker (0.23.6)
+    commonmarker (0.23.9)
     compass (1.0.3)
       chunky_png (~> 1.2)
       compass-core (~> 1.0.2)