diff --git a/build-constraints.yaml b/build-constraints.yaml
index b6c46dcd..64668a0d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7916,7 +7916,7 @@ packages:
         - unicode-data < 0.7
 
         # https://github.com/commercialhaskell/stackage/issues/7850
-        # xlsx < 1.2
+        - xlsx < 1.2
 
         # https://github.com/commercialhaskell/stackage/issues/7851
         - microlens < 0.5