diff --git a/build-constraints.yaml b/build-constraints.yaml
index e4ad32bd..c5ad0b05 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2936,6 +2936,8 @@ expected-test-failures:
 
     - commtative # https://github.com/athanclark/commutative/issues/4
 
+    - docopt # https://github.com/docopt/docopt.hs/issues/29
+
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run