diff --git a/Gemfile.lock b/Gemfile.lock
index b4c0f9b..d7f18a3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -127,7 +127,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     puma (3.12.4)
-    rack (2.2.2)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.2)