diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8cb330f3..4043b5a0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8863,6 +8863,7 @@ expected-test-failures:
     - hsexif # 0.6.1.10 Missing test file
     - pvar # 1.0.0.0 ghc-9.6
     - tar-conduit # https://github.com/snoyberg/tar-conduit/issues/33
+    - markov-chain-usage-model # https://github.com/advancedtelematic/markov-chain-usage-model/issues/44
 
     # Intermittent failures or unreliable. These tests may pass when
     # re-enabled, but will eventually fail again.