diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0c7b7745..e9fa48e8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1841,6 +1841,9 @@ expected-test-failures:
     # https://github.com/fpco/stackage/issues/811
     - etcd
 
+    # https://github.com/athanclark/pred-trie/issues/1
+    - pred-trie
+
 # Haddocks which are expected to fail. Same concept as expected test failures.
 expected-haddock-failures:
     # https://github.com/acw/bytestring-progress/issues/4