diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6f579c8f..ed9d7546 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3109,7 +3109,7 @@ packages:
         - butcher
         - czipwith
         - data-tree-print
-        - brittany < 0.12 # https://github.com/lspitzner/brittany/issues/245
+        - brittany
 
     "Ryan Mulligan <ryan@ryantm.com> @ryantm":
         - HDBC-mysql
@@ -5398,6 +5398,9 @@ expected-test-failures:
 
     # https://github.com/commercialhaskell/stackage/issues/4646
     - singletons
+
+    # https://github.com/lspitzner/brittany/issues/245
+    - brittany
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run