diff --git a/Gemfile.lock b/Gemfile.lock
index 23ce7ef..6f5876f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,11 +52,11 @@ GEM
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    rack (2.2.9)
+    rack (2.2.18)
     rack-protection (3.2.0)
       base64 (>= 0.1.0)
       rack (~> 2.2, >= 2.2.4)
-    rack-test (2.1.0)
+    rack-test (2.2.0)
       rack (>= 1.3)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)