diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3a80ec60..823522a1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6877,6 +6877,7 @@ packages:
 
       # https://github.com/commercialhaskell/stackage/issues/5878
       - hashable < 1.3.1.0
+      - mmark < 0.0.7.3
 
       # https://github.com/commercialhaskell/stackage/issues/5881
       - optics < 0.4