diff --git a/Gemfile.lock b/Gemfile.lock
index b185edc08cd..3bba36b86f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -498,8 +498,8 @@ GEM
       activesupport (>= 3.0.0)
     raabro (1.1.6)
     rack (2.0.7)
-    rack-attack (5.0.1)
-      rack
+    rack-attack (6.2.1)
+      rack (>= 1.0, < 3)
     rack-cors (1.0.6)
       rack (>= 1.6.0)
     rack-protection (2.0.7)