diff --git a/build-constraints.yaml b/build-constraints.yaml
index 17548e05..238e7312 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -240,6 +240,7 @@ packages:
     "Marco Zocca @ocramz":
         - sparse-linear-algebra
         - matrix-market-attoparsec
+        - mwc-probability-transition
         - network-multicast
         - xeno
         - goggles