diff --git a/Spintax.cabal b/Spintax.cabal
index 7b09523..d26d6e1 100644
--- a/Spintax.cabal
+++ b/Spintax.cabal
@@ -19,7 +19,7 @@ library
   exposed-modules:   Text.Spintax
   build-depends:     attoparsec   >= 0.12.1.6 && < 0.15
                    , base         >= 4.7 && < 5
-                   , extra        >= 1.4.3 && < 1.8
+                   , extra        >= 1.4.3 && < 1.9
                    , mtl          >= 2.2.1 && < 2.4
                    , mwc-random   >= 0.13.3.2 && < 0.16
                    , text         >=1.1 && < 2.2