diff --git a/build-constraints.yaml b/build-constraints.yaml
index cbdc572a..6a2795d6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2176,13 +2176,14 @@ packages:
         - xlsx
 
     "Matt Parsons <parsonsmatt@gmail.com> @parsonsmatt":
-        - monad-logger-prefix < 0 # trasnformers https://github.com/commercialhaskell/stackage/issues/4408
-        - monad-metrics < 0
+        - monad-logger-prefix
+        - monad-metrics
         # - ekg-cloudwatch # http-conduit 2.3 via amazonka
         - smtp-mail
-        - liboath-hs < 0 # GHC 8.4 via inline-c
+        - liboath-hs
         - servant-quickcheck < 0
-        - esqueleto < 0 # https://github.com/bitemyapp/esqueleto/issues/115
+        - esqueleto
+        - persistent-typed-db
 
     "Matthew Pickering <matthewtpickering@gmail.com> @mpickering":
         - refact