diff --git a/build-constraints.yaml b/build-constraints.yaml
index 78f4d35e..c4d276e5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -7851,6 +7851,9 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/8017
         - hedis < 0.16
+
+        # https://github.com/commercialhaskell/stackage/issues/8018
+        - text-iso8601 < 0.2
     # end of Stackage upper bounds
 # end of packages