diff --git a/unicode-transforms.cabal b/unicode-transforms.cabal
index 02363c7..3602064 100644
--- a/unicode-transforms.cabal
+++ b/unicode-transforms.cabal
@@ -88,7 +88,7 @@ library
   ghc-options: -Wall -fwarn-identities -fwarn-incomplete-record-updates -fwarn-incomplete-uni-patterns -fwarn-tabs
   build-depends:
       base         >= 4.8 && < 4.21
-    , unicode-data >= 0.2 && < 0.5
+    , unicode-data >= 0.2 && < 0.7
     , bytestring   >= 0.9 && < 0.13
     , ghc-prim     >= 0.2 && < 0.12