diff --git a/build-constraints.yaml b/build-constraints.yaml
index 444e5a3b..e9284530 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3072,8 +3072,7 @@ packages:
         # - hip # via repa-algorithms
 
     "Hans-Peter Deifel <hpd@hpdeifel.de> @hpdeifel":
-        []
-        # - hledger-iadd  # megaparsec bounds: https://github.com/fpco/stackage/issues/2666
+        - hledger-iadd
 
     "Roy Levien <royl@aldaron.com> @orome":
         - crypto-enigma
@@ -3816,7 +3815,6 @@ expected-test-failures:
     - foundation # https://github.com/haskell-foundation/foundation/issues/394
     - haddock
     - heap # https://github.com/pruvisto/heap/issues/4
-    - hledger-iadd # https://github.com/hpdeifel/hledger-iadd/issues/26
     - hspec-expectations-pretty-diff # GHC 8 issue not reported upstream since issue tracker disabled
     - hweblib # https://github.com/aycanirican/hweblib/issues/3
     - language-dockerfile # https://github.com/beijaflor-io/haskell-language-dockerfile/issues/8