diff --git a/Gemfile.lock b/Gemfile.lock
index e2e72de..4c8f268 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     racc (1.6.2)
-    rack (2.2.6.2)
+    rack (2.2.6.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.8.1)