diff --git a/Gemfile.lock b/Gemfile.lock
index 7abac4d11..dd2406c83 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -392,7 +392,7 @@ GEM
       activerecord (>= 5.1)
       state_machines-activemodel (>= 0.8.0)
     stringio (3.1.0)
-    thor (1.3.1)
+    thor (1.4.0)
     thread_safe (0.3.6)
     tilt (2.2.0)
     timeout (0.4.1)