diff --git a/build-constraints.yaml b/build-constraints.yaml
index fecc2029..937ccc33 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2659,7 +2659,8 @@ packages:
         - diagrams-contrib < 1.4
 
         # https://github.com/fpco/stackage/issues/2024
-        - megaparsec < 5.1
+        - hledger < 1.0
+        - hledger-lib < 1.0
 
 # end of packages