diff --git a/build-constraints.yaml b/build-constraints.yaml
index b62dd3f8..bc142365 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1402,6 +1402,9 @@ expected-test-failures:
     # https://github.com/kazu-yamamoto/dns/issues/29
     - dns
 
+    # https://github.com/iand675/metrics/issues/3
+    - metrics
+
 # Haddocks which are expected to fail. Same concept as expected test failures.
 expected-haddock-failures:
     # https://github.com/acw/bytestring-progress/issues/4