diff --git a/build-constraints.yaml b/build-constraints.yaml
index f5fac072..10e97d05 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -9,8 +9,8 @@ cabal-format-version: "1.24"
 packages:
     "Sebastian Mihai Ardelean <ardeleanasm@gmail.com> @ardeleanasm":
         [] # Blocked: hmatrix does not support GHC 8.2
-        #
-        # - qchas
+        # hmatrix was updated to support GHC8.2
+        - qchas
 
     "Patrick Pelletier <code@funwithsoftware.org> @ppelleti":
         - mercury-api