diff --git a/build-constraints.yaml b/build-constraints.yaml
index 72dc2436..15e2eb8b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3726,7 +3726,7 @@ packages:
         - log-warper < 0 # GHC 8.4 via lifted-async-0.10.0.1
         - o-clock
         - tasty-hunit-compat
-        - universum
+        - universum < 1.6.0 # text-1.2.4: https://github.com/commercialhaskell/stackage/issues/5796
         - with-utf8
         - uncaught-exception