diff --git a/Gemfile b/Gemfile
index bb055fe..42f7f65 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ gem "activerecord", "7.1.3.4" # Ideally version should be synced with Transition
 gem "bootsnap", require: false
 gem "erubis", "2.7.0"
 gem "govuk_app_config", "~> 9.11.2"
-gem "nokogiri", "1.16.5"
+gem "nokogiri", "1.16.6"
 gem "optic14n", "2.1.0" # Ideally version should be synced with Transition
 gem "pg"
 gem "rack", "~> 2.2.9"
diff --git a/Gemfile.lock b/Gemfile.lock
index 58b0bdc..fa70f12 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -103,10 +103,10 @@ GEM
     msgpack (1.7.2)
     mutex_m (0.2.0)
     nio4r (2.7.3)
-    nokogiri (1.16.5)
+    nokogiri (1.16.6)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.16.5-x86_64-darwin)
+    nokogiri (1.16.6-x86_64-darwin)
       racc (~> 1.4)
     opentelemetry-api (1.2.5)
     opentelemetry-common (0.21.0)
@@ -460,7 +460,7 @@ DEPENDENCIES
   erubis (= 2.7.0)
   govuk_app_config (~> 9.11.2)
   mr-sparkle (= 0.3.0)
-  nokogiri (= 1.16.5)
+  nokogiri (= 1.16.6)
   optic14n (= 2.1.0)
   pg
   pry