diff --git a/build-constraints.yaml b/build-constraints.yaml
index 79d80d22..8ddffec9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8527,7 +8527,7 @@ packages:
         - hoauth2 < 2.8.1
 
         # https://github.com/commercialhaskell/stackage/issues/7033
-        - primitive-unlifted < 2.1.0.0
+        - primitive-unlifted < 2.0.0.0
     # end of Stackage upper bounds
 # end of packages