Changelog diff is:

diff --git a/Changes b/Changes
index 06d089d..b8252f1 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Mojolicious-Plugin-Prometheus
 
 {{$NEXT}}
 
+1.4.0 2023-05-23T09:07:39Z
+
+    - Making sure collectors are only run on requests to `/metrics`
+    - Option to use custom `Net::Prometheus` instance
+
 1.3.1 2020-04-12T18:37:25Z
     - Document `route` parameter