diff --git a/Gemfile b/Gemfile
index 64bbcd0b..875c58f4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem "gds-sso"
 gem "govuk_app_config"
 gem "govuk_sidekiq"
 gem "jwt"
-gem "mongo", "~> 2.20.0"
+gem "mongo", "~> 2.20.1"
 gem "mongoid"
 gem "nokogiri"
 gem "plek"
diff --git a/Gemfile.lock b/Gemfile.lock
index 0234858b..8372bc4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -246,7 +246,7 @@ GEM
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
     minitest (5.24.1)
-    mongo (2.20.0)
+    mongo (2.20.1)
       bson (>= 4.14.1, < 6.0.0)
     mongoid (8.1.5)
       activemodel (>= 5.1, < 7.2, != 7.0.0)
@@ -767,7 +767,7 @@ DEPENDENCIES
   govuk_sidekiq
   jwt
   listen
-  mongo (~> 2.20.0)
+  mongo (~> 2.20.1)
   mongoid
   nokogiri
   pact