diff --git a/build-constraints.yaml b/build-constraints.yaml
index a662ae29..7a74c545 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7784,6 +7784,7 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/6852
         - resource-pool < 0.4.0.0
         - hpqtypes < 1.11.0.0
+        - unliftio-pool < 0.3
 
         # https://github.com/commercialhaskell/stackage/issues/6857
         - deriving-trans < 0.6