diff --git a/_gems/jekyll-assets/Gemfile.lock b/_gems/jekyll-assets/Gemfile.lock
index ce770cbe44..83b39755a4 100644
--- a/_gems/jekyll-assets/Gemfile.lock
+++ b/_gems/jekyll-assets/Gemfile.lock
@@ -225,7 +225,7 @@ GEM
       sprockets (>= 3.0.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
-    thor (1.2.1)
+    thor (1.4.0)
     tilt (2.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)