diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7d4db126..852d0c78 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7904,6 +7904,9 @@ packages:
         - hslua-module-system < 1.2.0
         - hslua-objectorientation < 2.4.0
         - hslua-packaging < 2.3.2
+
+        # https://github.com/commercialhaskell/stackage/issues/7785
+        - markup-parse < 0.2.0.0
     # end of Stackage upper bounds
 # end of packages