diff --git a/build-constraints.yaml b/build-constraints.yaml
index f9a049a0..24046ddf 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3104,6 +3104,9 @@ expected-test-failures:
 
     # https://github.com/fpco/stackage/pull/1732
     - haskell-names
+
+    # https://github.com/tweag/HaskellR/issues/255
+    - inline-r
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run