diff --git a/hledger-ui/package.yaml b/hledger-ui/package.yaml
index 565bced07..a3285141c 100644
--- a/hledger-ui/package.yaml
+++ b/hledger-ui/package.yaml
@@ -76,7 +76,7 @@ dependencies:
 - transformers
 - vector
 # not installable on windows, cf buildable flag below
-- brick >=0.23
+- brick >=0.23 && <1
 - vty >=5.15
 - unix