diff --git a/Gemfile.lock b/Gemfile.lock
index fb5c06c..c64650d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -253,7 +253,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.0.3)
-    rack (2.0.7)
+    rack (2.0.8)
     rainbow (3.0.0)
     rake (12.3.2)
     rb-fsevent (0.10.3)