diff --git a/Gemfile.lock b/Gemfile.lock
index e59044f..1958cd8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -155,7 +155,7 @@ GEM
       method_source (~> 1.0)
     public_suffix (4.0.5)
     puma (3.12.6)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.3)