diff --git a/build-constraints.yaml b/build-constraints.yaml
index a4177c7f..74689764 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3286,6 +3286,9 @@ expected-test-failures:
     - snap-core # https://github.com/snapframework/snap-core/issues/26
     - stm-delay # https://github.com/joeyadams/haskell-stm-delay/issues/5
 
+    # https://github.com/JustusAdam/marvin/issues/12
+    - marvin
+
 
 # end of expected-test-failures