diff --git a/build-constraints.yaml b/build-constraints.yaml
index 05773e6a..f6778e6f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4072,6 +4072,7 @@ skipped-tests:
     - cabal-install # tasty 1.1
     - colour # QuickCheck-2.11.3
     - drawille # hspec 2.4
+    - diagrams-contrib # QuickCheck 2.12, containers 0.6
     - ed25519 # QuickCheck, hlint and more
     - exact-pi # QuickCHeck 2.12, tasty-1.2
     - hackage-security # QuickCheck