diff --git a/Gemfile.lock b/Gemfile.lock
index b59c16f..edfa732 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,7 +17,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    commonmarker (0.23.2)
+    commonmarker (0.23.4)
     compass (1.0.3)
       chunky_png (~> 1.2)
       compass-core (~> 1.0.2)