diff --git a/Gemfile.lock b/Gemfile.lock
index 2a43ff2d0..40ef4df14 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -270,10 +270,11 @@ GEM
     govuk_personalisation (1.0.0)
       plek (>= 1.9.0)
       rails (>= 6, < 8)
-    govuk_publishing_components (43.4.1)
+    govuk_publishing_components (43.5.0)
       govuk_app_config
       govuk_personalisation (>= 0.7.0)
       kramdown
+      ostruct
       plek
       rails (>= 6)
       rouge
@@ -597,6 +598,7 @@ GEM
     optic14n (2.1.0)
       addressable (~> 2.7)
     os (1.1.4)
+    ostruct (0.6.0)
     paper_trail (15.1.0)
       activerecord (>= 6.1)
       request_store (~> 1.4)
@@ -833,7 +835,7 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.8.1)
+    webrick (1.8.2)
     websocket (1.2.10)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)