diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8697ced8..4fe8fd2b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2958,7 +2958,7 @@ packages:
         - tsv2csv
 
     "Thomas Sutton <me@thomas-sutton.id.au> @thsutton":
-        - aeson-diff < 0 # GHC 8.4 via base-4.11.0.0
+        - aeson-diff
         - edit-distance-vector
 
     "Kyle Van Berendonck <kvanberendonck+stackage@gmail.com> @donkeybonks":
@@ -4034,7 +4034,6 @@ expected-test-failures:
     # Linting failures (these may break every time HLint gets updated so keep them disabled)
     # https://www.snoyman.com/blog/2017/11/future-proofing-test-suites
     - folds
-    - aeson-diff
 
     - servant-swagger
 # end of expected-test-failures