diff --git a/Gemfile.lock b/Gemfile.lock
index 60ee1e84..48c77c34 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
       stringio
     public_suffix (5.0.4)
     racc (1.7.3)
-    rack (3.0.9)
+    rack (3.0.9.1)
     rake (13.1.0)
     rdf (3.3.1)
       bcp47_spec (~> 0.2)