diff --git a/build-constraints.yaml b/build-constraints.yaml
index 48001708..537e584d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7907,6 +7907,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/8094
         - ghcid < 1.0
+
+        # https://github.com/commercialhaskell/stackage/issues/8095
+        - strict-mutable-base < 2
     # end of Stackage upper bounds
 # end of packages