diff --git a/build-constraints.yaml b/build-constraints.yaml
index 49fa8cdd..881a5567 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2565,6 +2565,9 @@ packages:
         - wave
         - zip
 
+    "Leonhard Markert <leonhard.markert@tweag.io> @curiousleo":
+        - monad-bayes
+
     "Emmanuel Touzery <etouzery@gmail.com> @emmanueltouzery":
         - app-settings
         - hsexif < 0 # via time-1.9.3