diff --git a/build-constraints.yaml b/build-constraints.yaml
index e3a9a57f..1f741573 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5248,6 +5248,9 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/6042
       - jira-wiki-markup < 1.4
 
+      # https://github.com/commercialhaskell/stackage/issues/5574
+      # (doctest < 0.17)
+      - numhask < 0.8.0.0
 
 # end of packages