diff --git a/Gemfile.lock b/Gemfile.lock
index aa5d3ff..7ac1915 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -146,7 +146,7 @@ GEM
     google-protobuf (3.24.4-x86_64-linux)
     googleapis-common-protos-types (1.9.0)
       google-protobuf (~> 3.18)
-    govuk_app_config (9.3.0)
+    govuk_app_config (9.4.0)
       logstasher (~> 2.1)
       opentelemetry-exporter-otlp (>= 0.25, < 0.27)
       opentelemetry-instrumentation-all (>= 0.39.1, < 0.51.0)