diff --git a/Gemfile.lock b/Gemfile.lock
index 8d101e51..207773a7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -177,7 +177,7 @@ GEM
     hashdiff (1.0.1)
     hashie (5.0.0)
     headless (2.3.1)
-    highline (2.0.3)
+    highline (2.1.0)
     http-accept (1.7.0)
     http-cookie (1.0.5)
       domain_name (~> 0.5)