diff --git a/Gemfile.lock b/Gemfile.lock
index d75f777..0453475 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,7 +94,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     pg (1.2.3)
     puma (3.12.4)
-    rack (2.2.2)
+    rack (2.2.6.2)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.7.2)