diff --git a/Gemfile.lock b/Gemfile.lock
index 95081b873..1156b7947 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
     ast (2.2.0)
     astrolabe (1.3.1)
       parser (~> 2.2)
-    attr_required (1.0.0)
+    attr_required (1.0.1)
     autoprefixer-rails (6.3.1)
       execjs
       json