diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0c75114f..198da315 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -36,7 +36,7 @@ packages:
     "Jacob Stanley <jacob@stanley.io> @jystic":
         - hedgehog
         - hedgehog-quickcheck
-        
+
     "Walter Schulze <awalterschulze@gmail.com> @awalterschulze":
         - katydid
 
@@ -53,7 +53,7 @@ packages:
         - opencv-extra < 0 # hard to install build tools
 
     "Pasqualino Assini <tittoassini@gmail.com> @tittoassini":
-        # - zm # compilation failure https://github.com/Quid2/zm/issues/1
+        - zm
         - flat
         - model