diff --git a/Gemfile.lock b/Gemfile.lock
index a3d9932..19927c5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,7 +76,7 @@ GEM
     parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
-    phony (2.20.15)
+    phony (2.21.2)
     psych (5.1.2)
       stringio
     racc (1.8.1)