diff --git a/Gemfile.lock b/Gemfile.lock
index 6c684d2..ec32922 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,7 +116,7 @@ GEM
     plist (3.5.0)
     proxifier (1.0.3)
     public_suffix (3.1.0)
-    rack (2.0.7)
+    rack (2.0.8)
     rake (12.3.2)
     rubyntlm (0.6.2)
     rubyzip (1.2.3)