diff --git a/build-constraints.yaml b/build-constraints.yaml
index 083454f6..1e166be4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1639,6 +1639,7 @@ packages:
         - htaglib
         - slug
         - path-io
+        - hspec-megaparsec
 
     "Thomas Bereknyei <tomberek@gmail.com>":
         - multiplate