diff --git a/Gemfile.lock b/Gemfile.lock
index 61e57c6..58dec8f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -191,7 +191,7 @@ GEM
     proxifier (1.0.3)
     public_suffix (4.0.6)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rainbow (3.0.0)
     rake (12.3.3)
     retryable (2.0.4)