diff --git a/build-constraints.yaml b/build-constraints.yaml
index cff9a35c..66db159d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2525,6 +2525,9 @@ packages:
         # https://github.com/fpco/stackage/issues/1863
         - newtype-generics < 0.4
         - MemoTrie < 0.6.5
+
+        # https://github.com/fpco/stackage/issues/1876
+        - fixed-vector < 0.9
 # end of packages