diff --git a/ghc-vector.spec b/ghc-vector.spec
index 6f4911c..725daee 100644
--- a/ghc-vector.spec
+++ b/ghc-vector.spec
@@ -55,7 +55,7 @@ This package provides the Haskell %{pkg_name} library development files.
 
 %prep
 %setup -q -n %{pkgver}
-cabal-tweak-dep-ver base '< 4.9' '< 4.11'
+cabal-tweak-dep-ver base '< 4.10' '< 4.11'
 
 
 %build