diff --git a/Gemfile.lock b/Gemfile.lock
index ac9660be8..d357ebc4f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
       sentry-raven (>= 2.7.1, < 3.1.0)
       statsd-ruby (~> 1.4.0)
       unicorn (>= 5.4, < 5.7)
-    govuk_publishing_components (21.66.2)
+    govuk_publishing_components (21.66.4)
       govuk_app_config
       kramdown
       plek