diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0c8ac467..7b5727f2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2634,6 +2634,7 @@ packages:
         - irc-dcc
 
     "John Ky newhoggy@gmail.com @newhoggy":
+        - avro
         - bits-extra
         - hw-balancedparens
         - hw-bits
@@ -2653,6 +2654,7 @@ packages:
         - hw-rankselect-base
         - hw-succinct
         - hw-xml
+        - pure-zlib
 
     "Ismail Mustafa <ismailmustafa@rocketmail.com> @ismailmustafa":
         - handwriting