diff --git a/Gemfile.lock b/Gemfile.lock
index 0990451fc..fd447e9bc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -130,7 +130,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.18.0)
     puma (3.12.2)
-    rack (1.6.12)
+    rack (1.6.11)
     rack-conditional (0.3.1)
       rack (>= 1.6.11)
     rack-contrib (1.8.0)