diff --git a/Gemfile.lock b/Gemfile.lock
index 2f791d5..ab5db48 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,7 +73,7 @@ GEM
       matrix (~> 0.4)
       rdf (~> 3.3)
     temple (0.10.3)
-    thor (1.3.0)
+    thor (1.4.0)
     tilt (2.3.0)
     unicode-types (1.9.0)