diff --git a/Gemfile.lock b/Gemfile.lock
index 20bcdc4..568dbc0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,7 @@ GEM
       sawyer (~> 0.9)
     progressbar (1.11.0)
     public_suffix (5.0.1)
-    rack (3.0.3)
+    rack (3.0.9.1)
     rake (13.0.6)
     rexml (3.2.5)
     ruby2_keywords (0.0.5)