diff --git a/Gemfile.lock b/Gemfile.lock
index dc1d411..6dcba1c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,7 +122,7 @@ GEM
       stringio
     public_suffix (5.0.0)
     racc (1.6.0)
-    rack (2.2.4)
+    rack (2.2.6.2)
     rdf (3.2.9)
       link_header (~> 0.0, >= 0.0.8)
     rdf-aggregate-repo (3.2.1)