diff --git a/build-constraints.yaml b/build-constraints.yaml
index b0ecb2ef..dd1a4912 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1580,7 +1580,7 @@ packages:
         - tracing-control
         - primitive-unlifted
         - stm-lifted
-        - monad-primitive < 0 # 0.1 compile fail ghc-9.6
+        - monad-primitive # 0 # 0.1 compile fail ghc-9.6
         - mwc-random-monad
 
     "Flavio Corpa <flaviocorpa@gmail.com> @kutyel":