diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6cf455fa..7d057446 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5940,6 +5940,8 @@ expected-test-failures:
     # https://github.com/yesodweb/yesod/issues/1711
     - yesod-core
 
+    # https://github.com/input-output-hk/bech32/issues/31
+    - bech32
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run