diff --git a/build-constraints.yaml b/build-constraints.yaml
index c09a4282..22901364 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7874,6 +7874,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/7984
         - thread-utils-context < 0.4.1
+
+        # https://github.com/commercialhaskell/stackage/issues/7987
+        - pqueue < 1.7
     # end of Stackage upper bounds
 # end of packages