diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3225ab28..d29b07f2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8268,6 +8268,9 @@ packages:
         - megaparsec < 9.5.0
         - megaparsec-tests < 9.5.0
 
+        # https://github.com/commercialhaskell/stackage/issues/7106
+        - tls < 1.9
+
     # end of Stackage upper bounds
 # end of packages