diff --git a/build-constraints.yaml b/build-constraints.yaml
index f3f8a2bd..b05f061b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2160,6 +2160,8 @@ expected-test-failures:
     - hworker
     - hworker-ses
 
+    # https://github.com/chrisdone/hindent/issues/166
+    - hindent
 # end of expected-test-failures