diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5b575f12..34783b6b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1586,7 +1586,7 @@ packages:
         - avers
         - avers-api < 0 # via servant
         - avers-server < 0 # via servant-server
-        - css-syntax < 0 # via base-4.13.0.0
+        - css-syntax
         # - etcd # https://github.com/wereHamster/etcd-hs/issues/5
         - github-types
         - github-webhook-handler < 0 # GHC 8.4 via base-4.11.0.0