diff --git a/Gemfile.lock b/Gemfile.lock
index e71b760..ddb35e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -168,7 +168,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     puma (3.12.0)
-    rack (2.0.6)
+    rack (2.0.8)
     rack-pjax (1.0.0)
       nokogiri (~> 1.5)
       rack (>= 1.1)