diff --git a/build-constraints.yaml b/build-constraints.yaml
index d0ead05a..9131dd38 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7845,6 +7845,9 @@ packages:
         - these < 1.2
         - these-lens < 1.0.1.3
         - semialign < 1.3
+
+        # https://github.com/commercialhaskell/stackage/issues/6917
+        - some < 1.0.5
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of