diff --git a/build-constraints.yaml b/build-constraints.yaml
index 78ffb5ee..ac1e3958 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3907,7 +3907,7 @@ packages:
         - FailT
 
     "Hans-Peter Deifel <hpd@hpdeifel.de> @hpdeifel":
-        - hledger-iadd < 0 # 1.3.18 has megaparsec < 9.3
+        - hledger-iadd
 
     "Roy Levien <royl@aldaron.com> @orome":
         - crypto-enigma < 0 # 0.1.1.6 compile fail https://github.com/orome/crypto-enigma-hs/issues/36