diff --git a/build-constraints.yaml b/build-constraints.yaml
index f61cfcd8..2189329d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -12,7 +12,7 @@ cabal-format-version: "3.0"
 packages:
     "Andreas Klebinger <klebinger.andreas@gmx.at> @AndreasPK":
         - dom-lt
-        
+
     "Daniel Brice <danielbrice@gmail.com> @friedbrice":
         - generic-lexicographic-order
         - text-convert
@@ -8039,6 +8039,7 @@ expected-test-failures:
     - cereal # 0.5.8.3 https://github.com/GaloisInc/cereal/issues/109
     - conduit-connection # 0.1.0.5
     - cryptohash # 0.11.9 Stack builds test and benchmarks in one pass so benchmark could prevent tests from getting built
+    - data-sketches-core # 0.2.0.0 https://github.com/iand675/datasketches-haskell/issues/5
     - derive-topdown # 0.1.1.0 https://github.com/HaskellZhangSong/derive-topdown/issues/2
     - do-notation # 0.1.0.2
     - fields-and-cases # 0.2.0.0 https://github.com/m-bock/fields-and-cases/issues/1