diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2497b0c9..f838aeab 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2865,6 +2865,9 @@ expected-test-failures:
     # https://github.com/paul-rouse/yesod-auth-hashdb/issues/6
     - yesod-auth-hashdb
 
+    # https://github.com/MichelBoucey/cayley-client/issues/2
+    - cayley-client
+
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run