diff --git a/Gemfile.lock b/Gemfile.lock
index 3289741..de1a10a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -226,7 +226,7 @@ GEM
       rubyzip (>= 1.2.2)
     shoulda-matchers (4.2.0)
       activesupport (>= 4.2.0)
-    simple_form (4.1.0)
+    simple_form (5.0.0)
       actionpack (>= 5.0)
       activemodel (>= 5.0)
     sprockets (3.7.2)