diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1d35f1ff..82018d32 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2190,6 +2190,7 @@ packages:
 
     "Martijn Bastiaan <martijn@hmbastiaan.nl> @martijnbastiaan":
         - aeson-pretty
+        - doctest-parallel
 
     "Athan Clark <athan.clark@gmail.com> @athanclark":
         - aeson-attoparsec
@@ -7648,6 +7649,7 @@ expected-haddock-failures:
     - hw-ip # https://github.com/commercialhaskell/stackage/issues/5014
     - hw-json # https://github.com/commercialhaskell/stackage/issues/5014
     - hw-rankselect
+    - doctest-parallel # https://github.com/commercialhaskell/stackage/issues/5014
 
 # end of expected-haddock-failures