diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3cd7052c..e0241b78 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -8,7 +8,9 @@ cabal-format-version: "1.24"
 # Constraints for brand new builds
 packages:
     "Sebastian Mihai Ardelean <ardeleanasm@gmail.com> @ardeleanasm":
-        - qchas
+        [] # Blocked: hmatrix does not support GHC 8.2
+        #
+        # - qchas
 
     "Patrick Pelletier <code@funwithsoftware.org> @ppelleti":
         - mercury-api