diff --git a/Gemfile.lock b/Gemfile.lock
index 84908ae..afb683e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -203,7 +203,7 @@ GEM
     rack (2.0.5)
     rack-livereload (0.3.17)
       rack
-    rack-test (1.0.0)
+    rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.1.6)
       actioncable (= 5.1.6)