diff --git a/spec/tester_mongo/Gemfile.lock b/spec/tester_mongo/Gemfile.lock
index 085773d4..b3da737d 100644
--- a/spec/tester_mongo/Gemfile.lock
+++ b/spec/tester_mongo/Gemfile.lock
@@ -146,7 +146,7 @@ GEM
     mongo (2.24.0)
       base64
       bson (>= 4.14.1, < 6.0.0)
-    mongoid (9.0.11)
+    mongoid (9.1.0)
       activemodel (>= 5.1, < 8.2, != 7.0.0)
       concurrent-ruby (>= 1.0.5, < 2.0)
       mongo (>= 2.18.0, < 3.0.0)