--- a/chell.cabal
+++ b/chell.cabal
@@ -77,7 +77,7 @@
 
   if flag(color-output)
     build-depends:
-        ansi-terminal >= 0.5 && < 0.8
+        ansi-terminal >= 0.5 && < 0.9
 
   exposed-modules:
     Test.Chell
