diff --git a/build-constraints.yaml b/build-constraints.yaml
index f9524da4..114f7848 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -433,8 +433,11 @@ packages:
         - yesod-mangopay
 
     "Alexander Altman <alexanderaltman@me.com>":
+        # Maintaining on behalf of @roelvandijk:
         - base-unicode-symbols
         - containers-unicode-symbols
+        # My own packages:
+        - ChannelT
 
     "Trevor L. McDonell <tmcdonell@cse.unsw.edu.au>":
         - accelerate