diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8708a3c3..b91604c2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -750,6 +750,8 @@ packages:
 
         # https://github.com/fpco/stackage/issues/442
         - blaze-builder < 0.4
+        - blaze-markup < 0.7
+        - blaze-html < 0.8
 
         # https://github.com/fpco/stackage/issues/443
         - exceptions < 0.7