diff --git a/build-constraints.yaml b/build-constraints.yaml
index a6de5220..2ca9a106 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5376,7 +5376,7 @@ packages:
         - vault
         - vec
         - vector
-        - vector-algorithms
+        - vector-algorithms < 0.9 # https://github.com/commercialhaskell/stackage/issues/6661
         - vector-binary-instances
         - vector-space
         - vector-th-unbox