diff --git a/Gemfile.lock b/Gemfile.lock
index a793915..5c694a1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,7 +98,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    rack (2.2.2)
+    rack (2.2.3)
     rake (12.0.0)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)