diff --git a/test/Gemfile.lock b/test/Gemfile.lock
index ed77c3d..28f6d6c 100644
--- a/test/Gemfile.lock
+++ b/test/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
       ruby2_keywords (~> 0.0.1)
     net-ssh (2.7.0)
     pg (1.3.5)
-    rack (2.2.3.1)
+    rack (2.2.6.3)
     rack-protection (2.2.0)
       rack
     rack-test (1.1.0)