diff --git a/Gemfile.lock b/Gemfile.lock
index 110b3d9..dd20458 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -202,7 +202,7 @@ GEM
     rack (2.0.3)
     rack-livereload (0.3.16)
       rack
-    rack-test (0.8.0)
+    rack-test (0.8.2)
       rack (>= 1.0, < 3)
     rails (5.1.4)
       actioncable (= 5.1.4)