diff --git a/Gemfile.lock b/Gemfile.lock
index b75b5dcf42..37caa20745 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
     builder (3.2.3)
     coderay (1.1.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.3)
+    crass (1.0.4)
     daemons (1.2.6)
     diff-lcs (1.3)
     dnsruby (1.60.2)