diff --git a/spec/tester_mongo_rails_6/Gemfile.lock b/spec/tester_mongo_rails_6/Gemfile.lock
index b70cb114..aba17bc0 100644
--- a/spec/tester_mongo_rails_6/Gemfile.lock
+++ b/spec/tester_mongo_rails_6/Gemfile.lock
@@ -76,7 +76,7 @@ GEM
     coderay (1.1.3)
     concurrent-ruby (1.2.2)
     crass (1.0.6)
-    date (3.3.3)
+    date (3.3.4)
     debug (1.8.0)
       irb (>= 1.5.0)
       reline (>= 0.3.1)