diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9769eb..940b60d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 5.1.0
+
+* Add support to force-load the GovukPrometheusExporter by setting `GOVUK_PROMETHEUS_EXPORTER` to `force`. ([#282](https://github.com/alphagov/govuk_app_config/pull/282))
+
 # 5.0.0
 
 * Forbid base elements in the Content Security Policy
diff --git a/lib/govuk_app_config/version.rb b/lib/govuk_app_config/version.rb
index b52a143..ef294b2 100644
--- a/lib/govuk_app_config/version.rb
+++ b/lib/govuk_app_config/version.rb
@@ -1,3 +1,3 @@
 module GovukAppConfig
-  VERSION = "5.0.0".freeze
+  VERSION = "5.1.0".freeze
 end