diff --git a/build-constraints.yaml b/build-constraints.yaml
index 702c4940..1c324816 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1837,6 +1837,12 @@ expected-test-failures:
     # Requires running server
     - rethinkdb
 
+    # https://github.com/ddssff/cabal-debian/issues/50
+    - cabal-debian
+
+    # https://github.com/myfreeweb/microformats2-parser/issues/3
+    - microformats2-parser
+
 # Haddocks which are expected to fail. Same concept as expected test failures.
 expected-haddock-failures:
     # https://github.com/acw/bytestring-progress/issues/4