diff --git a/Gemfile.lock b/Gemfile.lock
index 7c319cc..13b7195 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,12 +17,14 @@ GEM
       kramdown (>= 0.13.2)
       liquid (>= 1.9.0)
       maruku (>= 0.5.9)
-    kramdown (0.14.0)
+    kramdown (2.4.0)
+      rexml
     liquid (2.2.2)
     maruku (0.6.1)
       syntax (>= 1.0.0)
     posix-spawn (0.3.6)
     rake (0.9.2.2)
+    rexml (3.2.5)
     syntax (1.0.0)
     thor (0.16.0)