diff --git a/Gemfile.lock b/Gemfile.lock
index 3797481..6f02656 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,7 +3,7 @@ PATH
   specs:
     willow_sword (0.2.0)
       bagit (~> 0.4.1)
-      rails (~> 5.1.6)
+      rails (>= 5.1.6)
       rubyzip (>= 1.0.0)
 
 GEM
@@ -103,7 +103,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.1)
+    rake (13.0.1)
     rspec-core (3.7.1)
       rspec-support (~> 3.7.0)
     rspec-expectations (3.7.0)