diff --git a/Gemfile b/Gemfile
index e13622f..cc56b19 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '2.5.3'
 
 gem 'nokogiri'
 
-gem 'rack', '~> 2.0.1'
+gem 'rack', '~> 2.0.8'
 
 gem 'rack-cache', :require => 'rack/cache'  
 
diff --git a/Gemfile.lock b/Gemfile.lock
index b2b32f3..5ce0043 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -135,7 +135,7 @@ GEM
     popper_js (1.11.1)
     public_suffix (3.1.0)
     puma (3.12.1)
-    rack (2.0.7)
+    rack (2.0.8)
     rack-cache (1.9.0)
       rack (>= 0.4)
     rack-test (1.1.0)
@@ -263,7 +263,7 @@ DEPENDENCIES
   pg (>= 0.18, < 2.0)
   popper_js (~> 1.11.1)
   puma (~> 3.11)
-  rack (~> 2.0.1)
+  rack (~> 2.0.8)
   rack-cache
   rails (~> 5.2.1)
   rails-assets-tether (>= 1.3.3)!