diff --git a/Gemfile.lock b/Gemfile.lock
index 77acbfb..da15844 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -143,7 +143,7 @@ GEM
       activesupport (= 4.2.4)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (13.0.1)
     rdf (1.99.0)
       link_header (~> 0.0, >= 0.0.8)
     rdf-aggregate-repo (1.99.0)