diff --git a/Gemfile.lock b/Gemfile.lock
index 1eadc9d..2c62175 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    rack (2.2.2)
+    rack (2.2.6.4)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
     rack-protection (2.0.8.1)