diff --git a/Gemfile.lock b/Gemfile.lock
index f39855f..d045b3b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
       racc (~> 1.4)
     pg (1.2.3)
     racc (1.6.2)
-    rack (2.2.5)
+    rack (2.2.6.3)
     rack-test (2.0.2)
       rack (>= 1.3)
     rails (5.2.8.1)