diff --git a/build-constraints.yaml b/build-constraints.yaml
index e52c42c9..2d7ad105 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1259,6 +1259,9 @@ skipped-tests:
     - machines
     - semigroupoids
 
+    # https://github.com/kaizhang/clustering/issues/2
+    - clustering
+
 # Tests which we should build and run, but which are expected to fail. We
 # should not fail a build based on a test failure for one of these packages.
 expected-test-failures: