diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2e7ddbc1..7ef26013 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3520,6 +3520,7 @@ packages:
         - servant-foreign < 0.10.2
         - slack-web < 0.2.0.2
         - servant-client-core < 0.12
+        - alerta < 0.1.0.6
 
         # https://github.com/fpco/stackage/issues/3022
         - req < 0.5