--- a/ghc-typelits-extra.cabal
+++ b/ghc-typelits-extra.cabal
@@ -75,7 +75,7 @@ library
                        ghc-typelits-natnormalise >= 0.7.1   && <0.8,
                        transformers              >= 0.4.2.0 && <0.6
   if impl(ghc >= 9.0.0)
-    build-depends:     ghc-bignum >=1.0 && <1.1
+    build-depends:     ghc-bignum >=1.0 && <1.3
   else
     build-depends:     integer-gmp >=1.0 && <1.1
   hs-source-dirs:      src
