diff --git a/build-constraints.yaml b/build-constraints.yaml
index 29b57273..ce4621a7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1543,6 +1543,9 @@ expected-test-failures:
     # Unstated dependency on HList-PP
     - Rlang-QQ
 
+    # https://github.com/rcallahan/xlsior/issues/1
+    - xlsior
+
 # Haddocks which are expected to fail. Same concept as expected test failures.
 expected-haddock-failures:
     # https://github.com/acw/bytestring-progress/issues/4