diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8c9142b7..4d0c60c3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9154,6 +9154,7 @@ expected-test-failures:
     - hasql-queue
     - hasql-transaction # PostgreSQL
     - hedis
+    - hexml-lens # Access to web.archive.org is unreliable.
     - hie-bios # cabal, stack, ghc; see https://github.com/commercialhaskell/stackage/issues/5025
     - hjsmin # Test-runner expects a cabal-style 'dist-newstyle' directory
     - hnix # #5469/closed