diff --git a/Gemfile.lock b/Gemfile.lock
index 23b9f4a5..ba730c9f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -193,7 +193,7 @@ GEM
       rubocop-factory_bot
       rubocop-rake
       rubocop-rspec
-    defra_ruby_validators (2.6.0)
+    defra_ruby_validators (2.7.1)
       activemodel
       i18n
       matrix
@@ -252,7 +252,7 @@ GEM
     html-attributes-utils (1.0.2)
       activesupport (>= 6.1.4.4)
     http-accept (1.7.0)
-    http-cookie (1.0.5)
+    http-cookie (1.0.7)
       domain_name (~> 0.5)
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
@@ -269,6 +269,7 @@ GEM
     jwt (2.8.2)
       base64
     language_server-protocol (3.17.0.3)
+    logger (1.6.1)
     loofah (2.23.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -279,9 +280,10 @@ GEM
       net-smtp
     marcel (1.0.4)
     matrix (0.4.2)
-    mime-types (3.5.2)
+    mime-types (3.6.0)
+      logger
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2024.0206)
+    mime-types-data (3.2024.1105)
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
     minitest (5.25.1)
@@ -473,8 +475,7 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    simpleidn (0.2.1)
-      unf (~> 0.1.4)
+    simpleidn (0.2.3)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -493,9 +494,6 @@ GEM
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     uk_postcode (2.1.8)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.9.1)
     unicode-display_width (2.6.0)
     uniform_notifier (1.16.0)
     uri (0.13.0)