diff --git a/Gemfile.lock b/Gemfile.lock
index 1e69ad5..975ba4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,7 +157,7 @@ GEM
       omniauth-oauth (~> 1.1)
       rack
     puma (3.11.4)
-    rack (2.0.7)
+    rack (2.1.4)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.7.2)