diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0e3018f6..384c49b1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2562,7 +2562,7 @@ packages:
         - hasty-hamiltonian
         - declarative
         - sampling
-        - flat-mcmc < 0 # via monad-par
+        - flat-mcmc
         - urbit-hob
         - hnock
 
@@ -4083,7 +4083,7 @@ packages:
         - climb
         - heart-core
         - linenoise
-        
+
     "Jorah Gao <jorah@version.cloud> @gqk007":
         - vformat
         - hkd-default