diff --git a/Gemfile.lock b/Gemfile.lock
index d7069c1..e82c780 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
       sawyer (~> 0.8.0, >= 0.5.3)
     plist (3.5.0)
     public_suffix (4.0.6)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rainbow (3.0.0)
     rake (13.0.1)
     retriable (3.1.2)