diff --git a/build-constraints.yaml b/build-constraints.yaml
index 28c9a7bf..a0f442b6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4127,6 +4127,7 @@ expected-test-failures:
     - tmp-postgres # https://github.com/jfischoff/tmp-postgres/issues/1
     - HTTP # e.g. "ERROR: Network.Socket.connect: <socket: 6>: unsupported operation (Cannot assign requested address)", I'm not sure if this is a build server issue...
     - hslua # Undiagnosed: expected: OK, but got: ErrFile
+    - hslua-module-text # Undiagnosed: error while running lua tests, expected: OK, but got: ErrFile
     - yesod-core # uncaught exception: WaiTestFailure (WaiTestFailure "Expected status code 200, but received 413")
 
     # Linting failures (these may break every time HLint gets updated so keep them disabled)