diff --git a/build-constraints.yaml b/build-constraints.yaml
index 91a9f5f7..687b3383 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3635,6 +3635,7 @@ expected-test-failures:
     - xmlgen # https://github.com/skogsbaer/xmlgen/issues/6
     - yesod-auth-basic # https://github.com/creichert/yesod-auth-basic/issues/1
     - haddock
+    - diagrams-lib
 
     # Stackage upper bounds, re-enable these when their upper bound is removed
     - lens # doctest failure in 4.15.1, fixed in 4.15.2 but lens has an upper bound