diff --git a/build-constraints.yaml b/build-constraints.yaml
index 8e37109b..6d3865c2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6824,9 +6824,12 @@ expected-test-failures:
     # https://github.com/commercialhaskell/stackage/issues/4815
     - brittany
 
-    # ghc 8.8 #
+    # ghc 8.8 MonadFail
     # https://github.com/psibi/fakedata/issues/5
     - fakedata
+    # https://github.com/alevy/simple/issues/23
+    - simple
+
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run