diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2de49e1b..a5bb0435 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -890,9 +890,6 @@ packages:
         # https://github.com/fpco/stackage/issues/517
         - generic-deriving < 1.7
 
-        # https://github.com/fpco/stackage/issues/521
-        - tagged < 0.8
-
         # https://github.com/fpco/stackage/issues/524
         - repa < 3.4
         - repa-algorithms < 3.4