diff --git a/Gemfile.lock b/Gemfile.lock
index a6eaec88e..158644dcd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -178,7 +178,7 @@ GEM
       jquery-rails (~> 4.3)
       plek (>= 2.1)
       rails (>= 6)
-    govuk_app_config (9.0.3)
+    govuk_app_config (9.0.4)
       logstasher (~> 2.1)
       opentelemetry-exporter-otlp (~> 0.25.0)
       opentelemetry-instrumentation-all (~> 0.39.1)