diff --git a/Gemfile.lock b/Gemfile.lock
index b14e48a..4ae0bef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -176,7 +176,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     psych (3.1.0)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.0.2.1)