diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8ad0b41f..a6f021d3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4515,7 +4515,7 @@ packages:
         - hkd-default
 
     "Shintaro Sakata <shintaro.sakata.tokyo@gmail.com> @chemirea":
-        - utf8-conversions < 0 # https://github.com/commercialhaskell/stackage/issues/6220
+        - utf8-conversions
 
     "Alessandro Marrella <amarrella@earnestresearch.com> @amarrella":
         - kubernetes-webhook-haskell
@@ -6661,6 +6661,7 @@ packages:
         - uri-templater < 0 # tried uri-templater-0.3.1.0, but its *library* does not support: trifecta-2.1.1
         - urlpath < 0 # tried urlpath-9.0.1, but its *library* requires the disabled package: attoparsec-uri
         - userid < 0 # tried userid-0.1.3.6, but its *library* does not support: base-4.15.0.0
+        - utf8-conversions < 0 # tried utf8-conversions-0.1.0.4, but its *library* does not support: text-short-0.1.4
         - vado < 0 # tried vado-0.0.13, but its *library* does not support: attoparsec-0.14.1
         - vado < 0 # tried vado-0.0.13, but its *library* does not support: base-4.15.0.0
         - vcswrapper < 0 # tried vcswrapper-0.1.6, but its *library* does not support: base-4.15.0.0