diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3cb5f409..eb9d6daa 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2437,14 +2437,14 @@ packages:
         - identicon
         - lame
         - megaparsec
-        - megaparsec-tests < 0 # via QuickCheck https://github.com/commercialhaskell/stackage/issues/4444
+        - megaparsec-tests
         - mmark
         - mmark-cli
         - mmark-ext
         - modern-uri
         - pagination
         - parser-combinators
-        # parser-combinators-tests # https://github.com/commercialhaskell/stackage/issues/4540
+        - parser-combinators-tests
         - path
         - path-io
         - req < 2.1.0 # https://github.com/commercialhaskell/stackage/issues/4677