diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0d8dbba1..00b9011b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -495,7 +495,7 @@ packages:
 
     "Antoine Latter @aslatter":
         - byteorder
-        - uuid < 0 # GHC 8.4 via cryptohash-md5
+        - uuid < 0 # via entropy-0.4.1.1
 
     "Philipp Middendorf <pmidden@secure.mailbox.org> @pmiddend":
         - clock