diff --git a/build-constraints.yaml b/build-constraints.yaml
index 702f2882..dc469183 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3507,7 +3507,7 @@ packages:
 
         # https://github.com/ethercrow/unordered-intmap/issues/1
         # https://github.com/fpco/store/issues/131
-        # primitive < 0.6.4
+        - primitive < 0.6.4
 
         # https://github.com/commercialhaskell/stackage/issues/3702
         - hw-rankselect < 0.11