diff --git a/Gemfile b/Gemfile
index d4069300d..11705ed8a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ gem 'gds-api-adapters', '~> 59.6'
 gem 'govuk_ab_testing', '~> 2.4'
 gem 'govuk_app_config', '~> 1.20'
 gem 'govuk_frontend_toolkit', '~> 8.2.0'
-gem 'govuk_publishing_components', '~> 17.20.0'
+gem 'govuk_publishing_components', '~> 17.21.0'
 gem 'plek', '~> 3.0'
 gem 'slimmer', '~> 13.1'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 8f8a62b5f..96b969ee3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
     govuk_frontend_toolkit (8.2.0)
       railties (>= 3.1.0)
       sass (>= 3.2.0)
-    govuk_publishing_components (17.20.0)
+    govuk_publishing_components (17.21.0)
       gds-api-adapters
       govuk_app_config
       govuk_frontend_toolkit
@@ -226,7 +226,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.1.0)
       loofah (~> 2.2, >= 2.2.2)
     rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)
@@ -368,7 +368,7 @@ DEPENDENCIES
   govuk_ab_testing (~> 2.4)
   govuk_app_config (~> 1.20)
   govuk_frontend_toolkit (~> 8.2.0)
-  govuk_publishing_components (~> 17.20.0)
+  govuk_publishing_components (~> 17.21.0)
   govuk_schemas (~> 4.0)
   govuk_test
   htmlentities (~> 4.3)