diff --git a/build-constraints.yaml b/build-constraints.yaml
index c78b39ca..a61afeb5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -32,6 +32,7 @@ packages:
 
     "Marco Zocca @ocramz":
         - sparse-linear-algebra
+        - matrix-market-attoparsec
         - network-multicast
 
     "Joseph Canero <jmc41493@gmail.com> @caneroj1":