diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0b642619..b38ee4be 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3845,7 +3845,7 @@ packages:
         - uncaught-exception
 
     "Holmusk <tech@holmusk.com> @arbus":
-        - elm-street
+        - elm-street < 0 # 0.2.0.0 internal library
 
     "Noel Kwan <noelkwan1998@gmail.com> @kwannoel":
         - servant-docs-simple
@@ -8297,6 +8297,7 @@ expected-test-failures:
     - functor-combinators # https://github.com/commercialhaskell/stackage/issues/6376
     - generic-lens # https://github.com/commercialhaskell/stackage/issues/6377
     - geojson # 4.1.0
+    - headroom # 0.4.3.0
     - heap # 1.0.4 https://github.com/pruvisto/heap/issues/11
     - hourglass # 0.2.12
     - hsini # 0.5.1.2