diff --git a/Gemfile.lock b/Gemfile.lock
index 5c19e5397..5201d9d49 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -117,7 +117,7 @@ GEM
       rubocop-rspec (~> 1.28)
       scss_lint
     govuk_ab_testing (2.4.1)
-    govuk_app_config (1.13.0)
+    govuk_app_config (1.13.1)
       aws-xray-sdk (~> 0.10.0)
       logstasher (~> 1.2.2)
       sentry-raven (~> 2.7.1)