diff --git a/Gemfile.lock b/Gemfile.lock
index 99f4faeff..bf69d0e2d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -135,7 +135,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     puma (3.12.2)
-    rack (2.0.7)
+    rack (2.0.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.3)
diff --git a/vendor/cache/rack-2.0.8.gem b/vendor/cache/rack-2.0.8.gem
new file mode 100644
index 000000000..b4d9c01c2
Binary files /dev/null and b/vendor/cache/rack-2.0.8.gem differ