diff --git a/Gemfile.lock b/Gemfile.lock
index 5dbd986..6efec22 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -317,7 +317,7 @@ GEM
       rubocop (~> 1.61)
     ruby-progressbar (1.13.0)
     securerandom (0.3.1)
-    shoulda-matchers (5.1.0)
+    shoulda-matchers (6.4.0)
       activesupport (>= 5.2.0)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)