diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8e16a177..feda3f7e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1433,11 +1433,11 @@ packages:
         - generic-aeson
         - parameterized
         - primitive-extras
-        - monad-primitive
         - primitive-unlifted < 0.2
-        - mwc-random-monad
         - stm-hamt
-        - stm-containers # 0 # https://github.com/commercialhaskell/stackage/pull/5289#issuecomment-610353366
+        - stm-containers
+        - monad-primitive
+        - mwc-random-monad
 
     "Flavio Corpa <flaviocorpa@gmail.com> @kutyel":
         - language-avro