diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4653006f..e32becf5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3179,6 +3179,7 @@ expected-test-failures:
     - hspec-expectations-pretty-diff # GHC 8 issue not reported upstream since issue tracker disabled
     - jose-jwt # doctest ambiguity https://github.com/fpco/stackage/issues/2169
     - language-lua2 # https://github.com/mitchellwrosen/language-lua2/issues/4
+    - ramus # https://github.com/fpco/stackage/issues/2277
     - servant-server # 0.9.1.1 due to hspec-wai-0.8.0 https://github.com/haskell-servant/servant/issues/643
     - sourcemap # https://github.com/chrisdone/sourcemap/issues/3
     - text-ldap # # https://github.com/khibino/haskell-text-ldap/issues/1