diff --git a/hledger-ui/hledger-ui.cabal b/hledger-ui/hledger-ui.cabal
index 95767ec6f..82b53e845 100644
--- a/hledger-ui/hledger-ui.cabal
+++ b/hledger-ui/hledger-ui.cabal
@@ -102,7 +102,7 @@ library
     , time >=1.5
     , transformers
     , vector
-    , vty >=6.1 && <6.3
+    , vty >=6.1 && <6.4
     , vty-crossplatform >=0.4.0.0 && <0.5.0.0
   default-language: Haskell2010
   if (flag(debug))