diff --git a/Gemfile.lock b/Gemfile.lock
index 69968642f..0d6e1eedf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -114,7 +114,7 @@ GEM
     globalid (1.0.0)
       activesupport (>= 5.0)
     govuk_ab_testing (2.4.2)
-    govuk_app_config (4.6.0)
+    govuk_app_config (4.6.1)
       logstasher (~> 2.1)
       prometheus_exporter (~> 2.0)
       puma (~> 5.6)