diff --git a/Gemfile.lock b/Gemfile.lock
index 6d5aa8a..2ff1a81 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -136,7 +136,7 @@ GEM
     stringio (3.2.0)
     test-unit (3.7.3)
       power_assert
-    thor (1.4.0)
+    thor (1.5.0)
     thread_safe (0.3.6)
     tsort (0.2.0)
     unicode-display_width (3.2.0)