diff --git a/Gemfile.lock b/Gemfile.lock
index a2199bb..46ebd09 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -221,7 +221,7 @@ GEM
     selenium-webdriver (3.142.3)
       childprocess (>= 0.5, < 2.0)
       rubyzip (~> 1.2, >= 1.2.2)
-    shoulda-matchers (4.0.1)
+    shoulda-matchers (4.1.1)
       activesupport (>= 4.2.0)
     simple_form (4.1.0)
       actionpack (>= 5.0)