diff --git a/Gemfile.lock b/Gemfile.lock
index ffdebd5..5230dec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1368,7 +1368,7 @@ GEM
     rabl (0.13.1)
       activesupport (>= 2.3.14)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.6)