diff --git a/build-constraints.yaml b/build-constraints.yaml
index 474b9e84..20ba35cd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6675,12 +6675,16 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/6217
       - aeson < 2.0.0.0
       - aura < 3.2.6
+      - avro < 0.6.0.0
       - cabal-flatpak < 0.1.0.3
       - core-data < 0.3.0.0
       - eventstore < 1.4.2
       - faktory < 1.1.2.1
       - forma < 1.2.0
       - geojson < 4.1.0
+      - greskell < 2.0.0.0
+      - greskell-core < 1.0.0.0
+      - greskell-websocket < 1.0.0.0
       - hruby < 0.4.0.0
       - hspec-expectations-json < 1.0.0.5
       - kanji < 3.5
@@ -6688,6 +6692,7 @@ packages:
       - mmark-cli < 0.0.5.1
       - postgresql-binary < 0.12.4.2
       - servant-tracing < 0.2.0.0
+      - shikensu < 0.4.0
       - stache < 2.3.1
       - stripe-scotty < 1.1.0.1
       - stripe-wreq < 1.0.1.12