diff --git a/Gemfile.lock b/Gemfile.lock
index b3e006112..e05d0a4d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -381,8 +381,8 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.13)
-    macaddr (1.7.1)
-      systemu (~> 2.6.2)
+    macaddr (1.7.2)
+      systemu (~> 2.6.5)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     markdown-it-html5-embed (1.0.0)