diff --git a/build-constraints.yaml b/build-constraints.yaml
index 92d3d238..13c00f33 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7857,6 +7857,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/6932
         - ormolu < 0.6
+
+        # https://github.com/commercialhaskell/stackage/issues/6933
+        - hasql-pool < 0.9
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of