diff --git a/getting-started-with-ubuntu/Gemfile.lock b/getting-started-with-ubuntu/Gemfile.lock
index 22e2b61..d5bed9e 100644
--- a/getting-started-with-ubuntu/Gemfile.lock
+++ b/getting-started-with-ubuntu/Gemfile.lock
@@ -94,7 +94,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.4)
+    rexml (3.2.5)
     rouge (3.22.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)