diff --git a/Gemfile.lock b/Gemfile.lock
index e4d9d935..92195896 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
       rake (>= 13)
     googleapis-common-protos-types (1.15.0)
       google-protobuf (>= 3.18, < 5.a)
-    govuk_app_config (9.12.0)
+    govuk_app_config (9.13.0)
       logstasher (~> 2.1)
       opentelemetry-exporter-otlp (>= 0.25, < 0.29)
       opentelemetry-instrumentation-all (>= 0.39.1, < 0.62.0)