diff --git a/build-constraints.yaml b/build-constraints.yaml
index 21764d64..988cfbd1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -357,6 +357,7 @@ packages:
 
     "Philipp Middendorf <pmidden@secure.mailbox.org> @pmiddend":
         - clock
+        - al
 
     "Stefan Wehr <wehr@factisresearch.com> @skogsbaer":
         - HTF