diff --git a/build-constraints.yaml b/build-constraints.yaml
index f3438c14..46202e38 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4530,6 +4530,7 @@ packages:
         - network < 3
         - hsdev < 0.3.3.0
         - network-bsd < 2.8.1.0
+        - MissingH < 1.4.2.0
 
         # https://github.com/simonmichael/hledger/issues/983
         - easytest < 0.3