diff --git a/Gemfile.lock b/Gemfile.lock
index d256957..97ddd27 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,7 +79,7 @@ GEM
     rubocop-rspec (3.2.0)
       rubocop (~> 1.61)
     ruby-progressbar (1.13.0)
-    securerandom (0.3.2)
+    securerandom (0.4.0)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)