diff --git a/build-constraints.yaml b/build-constraints.yaml
index d5aa6db0..71f6e0a8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2137,6 +2137,7 @@ packages:
     "Andrew Rademacher <andrewrademacher@gmail.com> @AndrewRademacher":
         - aeson-casing
         - graylog
+        - parsec-numeric
 
     "Callum Rogers @CRogers":
         - should-not-typecheck