diff --git a/build-constraints.yaml b/build-constraints.yaml
index 386f40b6..1f4bf4ca 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4261,7 +4261,7 @@ packages:
         - github-rest
         - graphql-client
         - hpc-lcov
-        - th-test-utils
+        - th-test-utils < 1.1 # https://github.com/commercialhaskell/stackage/issues/5657
 
     "Akshay Mankar <itsakshaymankar@gmail.com> @akshaymankar":
         - jsonpath