diff --git a/build-constraints.yaml b/build-constraints.yaml
index 28ce6ed6..3a1dd296 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -973,7 +973,10 @@ packages:
         - linux-namespaces
 
     "Will Coster <willcoster@gmail.com> @fimad":
+        - prometheus-client
+        - prometheus-metrics-ghc
         - scalpel
+        - wai-middleware-prometheus
 
     "Smirnov Alexey <chemistmail@gmail.com> @chemist":
         - snmp