diff --git a/Gemfile.lock b/Gemfile.lock
index ed1d93e..fcb4f87 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,9 +45,9 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.0.3)
-    rack (2.0.6)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
+    rack (3.0.9.1)
+    rack-test (2.1.0)
+      rack (>= 1.3)
     rake (12.3.2)
     regexp_parser (1.3.0)
     rspec (3.8.0)