diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1ffd97b8..8faa1f6f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3094,6 +3094,9 @@ expected-test-failures:
 
     # https://github.com/haskell-servant/servant-swagger/issues/52
     - servant-swagger
+
+    # https://github.com/haskell-suite/haskell-src-exts/issues/314
+    - haskell-src-exts
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run